Given the task definition and input, reply with output. 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".

[header] How to choose the right cold medicine [title] Choose a decongestant for a stuffy nose. [step] A decongestant should be taken if you have nasal or sinus congestion. It helps you clear a stuffy nose. <sep> (A) Other treatment options for a stuffy nose include : [substeps] Nasal cavity decongestants. These sprays help to seal your sinuses. (B) Look for a decongestant that is at least 75% decongestant. [title] Look for hydrocodone to relieve headache. (C) [substeps] Decongestants are clear nasal sprays, so they have a calm and contemplative effect. These sprays may be available over-the-counter or mixed into your nasal fluids. (D) They help loosen congestion so you can expel it. Decongestants may disrupt your sleep.
D