Though he had often made his little sister ________, today he was made ________ by his little sister．
A.to cry; to cryB.cry; cryC.to cry; cryD.cry; to cry在线课程D
解析：
本题考查不定式作补足语知识。分析句子结构可以看出，前一空格内的不定式充当使役动词made的宾语补足语，不定式不应带to，第二空格内的不定式来补充说明主语he，因为made用了被动语态，这时的不定式应带上to。