Please select the eligibility criteria that correspond to the clinical trial below.
Title: ... Study to Evaluate Efficacy and Safety of Perennial Sublingual SIT With a Solution of Grass Pollen Allergen ... in Children With Clinically Relevant Grass Pollen Sensitivity in Comparison to a ... Standard Treatment With Add on Placebo
Brief Summary: Evaluation of safety and efficacy of sublingual immunotherapy with grass pollen allergens formulated as solution in comparison to a symptomatic standard treatment with add on placebo in grass pollen allergic children suffering from allergic rhinitis/rhinoconjunctivitis with or without bronchial asthma.


Options:
A: Inclusion Criteria:

* History of grass pollen allergy
* Positive skin prick test to grass
* Positive specific IgE to grass

Exclusion Criteria

* FEV1 \<70% of predicted value
B: Inclusion Criteria:

* Positive skin prick test to Phleum pratense
* Positive IgE to Phleum pratense
* signed informed consent
* A clinical history of moderate to severe persistent rhinoconjunctivitis symptoms

Exclusion Criteria:

* No uncontrolled asthma in the past 12 months
* No history of an IgE mediated systemic reaction due to food, insect venom, any kind of medication or induced by exercise, where there are symptoms both from the skin and the respiratory system with or without hypotension
* No history of an IgE mediated systemic reaction due to food, insect venom, any kind of medication or induced by exercise, where there are symptoms both from the skin and the respiratory system with or without hypotension
C: Inclusion Criteria:

* 4 - \<12 years (at the time of inclusion)
* Positive SPT
* Positive EAST
* Positive CPT

Exclusion Criteria:

* Serious chronic diseases
* Other perennial allergies
D: Inclusion Criteria:

1. Grass pollen-related allergic rhinoconjunctivitis for at least the last two pollen seasons.
2. Positive SPT to grasses
3. Total symptoms score for the previous pollen season more than 12 out of 18.
4. Patients with FEV1 ≥ 80% of the predicted value.

Exclusion Criteria:

1. Positive SPT to other grasses present during the grass pollen season and if endemic to the region
2. Patients with clinically significant confounding symptoms of allergy to other allergens potentially overlapping the grass pollen season
3. Asthma requiring treatment with medications other than beta-2 inhaled agonists.
4. Patients who have received any desensitization treatment for grass pollen in the past 5 years.
5. Ongoing immunotherapy with any other allergen.
6. Patients with any nasal or oral condition that could confound the efficacy or safety assessments
7. Patients with known history of hypersensitivity or intolerance to any of the excipients in the investigational product (such as lactose intolerance).
8. Patients with any past or current clinically significant condition which as judged by the investigator, may affect the patient's participation or the outcome of the study.
9. Patients treated with systemic or inhaled corticosteroids
10. Patients treated or under treatment with beta-blockers, continuous systemic corticotherapy or immunosuppressive drugs.
11. Pregnant, breastfeeding, or sexually active women who are not using a medically accepted contraceptive method as listed above.
12. Patients participating or having participated within 30 days before Screening in any clinical study.
13. Patients who are unlikely to complete the study for any reason, or patients who have to travel for extended periods of time during the grass pollen season which will compromise the data
14. Patients with history of drug or alcohol abuse.
15. Study staff, investigators, sub-investigators, as well as their children or spouses and family members of all study staff should not be enrolled in the study.
16. Patients will not be randomized in this study more than once.

Answer: C