问题补充：
单选题Inrecentyears,manychildrenaremade______whattheyarenot________.A.to do; interested inB.to do; interestedC.do; interestedD.do; interested in
答案：
A解析在主动语态中，make sb do sth，而在被动语态中应该用be made to do sth，而后文的内容what为特殊疑问代词，be interested in 表示对···感兴趣。故选A
