题目内容:
Which of the following is TRUE about Cyanovifin?
A.It is an active ingredient in a foam, cream or suppository. B.It is an active ingredient applied before sex to prevent HIV transmission.
C.It is a protein that protects the body from infection by microorganisms.
D.It is a drug used to prevent HIV transmission.
参考答案:【答案仅供学习,请勿对照自行用药等】
答案解析: