His father-in-law insists on ________ his daughter as soon as possible．
A.he marryingB.he marryC.him marryingD.him marrying to在线课程C
marry是及物动词，“与某人结婚”用marry sb．表示。insist on doing sth．“坚持做某事”，若表示“坚持别人做某事”，用insist on sb．/sb．’s doing sth．。