The foreign guests spoke highly of the children and their shows they saw in the kindergar

问题补充：

The foreign guests spoke highly of the children and their shows they saw in the kindergarten.

A. what

B. who

C. that

D. which

答案：

A. what

B. who

(答案→)C. that

D. which

解析：考查定语从句。当定语从句的先行词既有物也有人的时候，关系代词使用that。本题的先行词是the children and their shows,关系代词that指代先行词作为动词saw的宾语。故C正确。