— Can I borrow your car for a while?

— Sorry, my car was damaged yesterday and it ______ now?

[      ]

A. is repaired

B. is being repairing

C. is being repaired

D. is repairing

可用于制备微囊的辅料是（）

A.聚乙二醇

B.明胶

C.β-环糊精

D.卵磷脂

E.PVA