丙基硫氧嘧啶治疗甲亢的作用机理是抑制过氧化物酶，使无机碘不能氧化成活性碘。

Though he had often made his little sister            , today he was made             by his little sister. [ ]

A. cry; to cry;

B. cry; cry;

C. to cry, cry;

D. to cry, to cry;