I hate when people talk with their mouths full. A. it B. that C. these D. them

问题补充：

I hate when people talk with their mouths full.

A. it

B. that

C. these

D. them

答案：

(答案→)A. it

B. that

C. these

D. them

解析：考察句型。I hate it when 为固定句型，it代指的是后面的when引导的从句，

类似句型有Id appreciate it if ; I dislike it when ...