参考答案

正确答案：C
解析：本题考查对使役动词make用法的掌握。make，let等使役动词后可接动词不定式作宾语补足语，此时，动词不定式符号to要省略，故本题C 选项为正确答案。类似的用法如：The teacher tries to make him know the differences between the two words．老师试图让他知道那两个词之间的差别。