I hate when people talk with their mouths full.A. thatB. itC. theseD. them

问题补充：

I hate when people talk with their mouths full.

A. that

B. it

C. these

D. them

答案：

A. that

(答案→)B. it

C. these

D. them

解析：考查it的用法。句中it作形式宾语，真正的宾语是when people talk with their mouths full。选B。