The weather in Yang Zhou is much colder than in Hainan in winter.A. itB. thatC. thoseD. t

问题补充：

The weather in Yang Zhou is much colder than in Hainan in winter.

A. it

B. that

C. those

D. them

答案：

A. it

(答案→)B. that

C. those

D. them

解析：句意：冬天扬州的天气比海南更冷。that 在这里指代比较的对象，即天气，表示单数。如果是复数的话则用those。