题干
His wife, to whom he _____ for 20 years, died of cancer last Thursday. （ ）
A：had married
B：has been married
C：has married
D：had been married
答案(点此获取答案解析）
D
His wife, to whom he _____ for 20 years, died of cancer last Thursday. （ ）
A：had married
B：has been married
C：has married
D：had been married
