--Have you seen ____Audi car I parked here?

---Is it _____ black one? A young man has driven it away.

A．an, a

B．the, the

C．the, a

D．an, the

川芎的现代应用是（）

A.甲亢

B.脑缺血

C.出血不止

D.感冒

E.胃肠平滑肌绞痛