单选题Alice didn’t want her&nbs

问题补充：

单选题Alicedidn’twantherparentstoknow___________.A.what has she doneB.what was she doingC.how she had doneD.what she was doing

答案：

D解析句意：Alice不想让她的父母知道她在干什么。know后面的宾语从句用what引导，表示正在做某事。