It is in the year of a severe drought hits Yunnan province. A. untilB. thatC. before

问题补充：

It is in the year of a severe drought hits Yunnan province.

A. until

B. that

C. before

D. when

答案：

A. until

(答案→)B. that

C. before

D. when

解析：此题是一个强调句型，强调句型的结构为it is + 被强调的部分+ that，去掉这个结构之后，句子照样成立，句意：就是在的时候一场严重的干旱袭击了云南省。所以选B。