The most appropriate answer is D ! as other three are not related to cilia any way !
so D
if you want more info on this, comment !
The use of alcohol to alleviate problems will only make them worse in the end because it does nothing but push it further back until it grows into something worse.
Your answers would be A,B, and C but if it’s only 1 I’d go with A
A. Depressants because its used to treat depression and other pschylogical problems.
Answer:
Call a treatment service.
Confide in someone you trust.
Seek out a healthcare professional.