TASK DEFINITION: In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".
PROBLEM: [header] How to recognize symptoms of sickle cell disease (scd ) [title] Get tested. [step] Sickle cell disease can be detected with a simple blood test, so if you think you may have the disease, see a doctor to get tested right away. In the united states, all newborns are required to be screened for sickle cell disease. <sep> (A) [substeps] The screening process is lengthy and requires some paperwork so a doctor can make sure they're perfect. In order to receive diagnosis or treatment, the doctor must first perform a screening test. (B) The more advanced the developing disease, the more likely it is that you may have sickle cell disease. It is a serious disease that causes weight gain, and may affect when you are pregnant. (C) The centers for disease control and prevention (cdc) website has more information on the disease than it does on its own. [title] Be aware of your potential risk factors. (D) This is because early treatment is very beneficial to patients. [substeps] It is also possible to do prenatal screening for sickle cell disease by testing fetal tissues that are collected by chorionic villus sampling or amniocentesis.

SOLUTION: D

PROBLEM: [header] How to give a girl a kiss she will never forget [title] Brush your teeth! [step] Nothing worse then kissing someone that has halitosis breath. [title] Make sure to take a deep breath and clear your mind. [step] Try to just focus on the person that you are planning on kissing. <sep> (A) [title] Make sure you are alone! [step] If the girl you have kissed is one of your friends, like an old friend, then make sure you are alone. It's best to just sit somewhere discrete, and not invade anybody's space. (B) When you have the kiss set, kiss her. [substeps] Once you both have made steady eye contact, look up and smile! Make sure your smile is sincere so it won't come across as forced. (C) [title] Slowly lean in until your lips touch. [title] Keep lip contact soft and gentle in the beginning. (D) This could be your mom, best friend, an acquaintance, or anybody. When you are done brushing your teeth, repeat in your head.

SOLUTION: C

PROBLEM: [header] How to make small things to decorate your room [title] Grab a clear, glass vase and some old buttons. [title] Pour a healthy amount of buttons into the vase. [title] Screw on the lid. <sep> (A) [title] Drill holes using the drill bit that comes with the machine. [title] Place the large button in the hole and screw in the smaller button. (B) [step] It should be just barely just open. Screw on the screws, or you can just put in some pliers. (C) [title] Use the lid to screw the buttons on with the lid facing upwards. [title] Turn on the room fan to blow cool air to all around it and turn on the light. (D) [step] This stops dust getting in and prevents the buttons from falling out. [title] Find a good place to set it down.

SOLUTION:
D