It is in the year of a severe drought hit Yunnan province.A. untilB. thatC. beforeD.

问题补充：

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

A. until

B. that

C. before

D. when

答案：

A. until

(答案→)B. that

C. before

D. when

解析：句意：就在云南发生了严重的旱灾。这里是强调句型，其结构是It is+被强调部分+that/who…只有被强调的人是用who，其余的情况都用that，这里被强调的是时间状语in the year of ，判断强调句型的方法是把it is that去掉整个句子是成立的，故选B。