下述药物中属于HMG-CoA还原酶抑制剂的有（）

A.洛伐他汀

B.普伐他汀

C.辛伐他汀

D.考来烯胺

E.氟伐他汀

Neither Tom nor his parents ________ at home.

A．is

B．are

C．has

D．was