不表现为一过性视力丧失的是（）

A.视盘水肿

B.椎-基底动脉供血不足

C.一过性视网膜缺血发作

D.体位性低血压

E.原发性开角型青光眼

A: Have you invited Susan to the party
B: ().

A. Yes, because I know she wants to stay at home.

B. Not yet, because I know she prefers to stay at home.

C. No, because I know she likes to join us.

D. Yes, because I’ve to think about it carefully.