The new dictionaries are very useful. They        well and       already.

A．sell; have been sold out

B．sold; had sold out

C．sell; sell out

D．are sold; have been sold out

关于依沙吖啶，下列不正确的说法是（）

A.是强力杀菌剂，最初用于外科创伤、皮肤、黏膜消毒

B.可使子宫收缩频率和幅度均增加

C.妊娠月份越大，对依沙吖啶越不敏感，引产时应加大药量

D.蜕膜残留率较高

E.临床引产成功率90%以上