There was a timewe went to the country and stayed with the farmers there.A. whichB. thatC.

问题补充：

There was a timewe went to the country and stayed with the farmers there.

A. which

B. that

C. when

D. while

答案：

A. which

B. that

(答案→)C. when

D. while

解析：考查定语从句，这是一个固定句型There was a time when 曾经有一段时期，句意：曾经有一段时期我们去了乡下和那的农民呆在一起。所以选C。