It was evening they reached Haikou City.A. thatB. untilC. sinceD. before

问题补充：

It was evening they reached Haikou City.

A. that

B. until

C. since

D. before

答案：

A. that

B. until

C. since

(答案→)D. before

解析：可联系答.案.网客服索取。