We ______ hurry because we still had a lot of time.

A．don't have to

B．needn't have to

C．didn't need

D．didn't have to

女性，28岁，脐周疼痛5小时，伴恶心、呕吐．T38.5℃，右下腹有压痛和肌紧张，白细胞为15×10⁹/L，应考虑为（）。

A.急性化脓性阑尾炎

B.胃、十二指肠溃疡穿孔

C.输尿管结石

D.急性胆囊炎

E.胆结石