A.监理单位B.业主方C.设计单位D.施工总承包方或施工总承包管理方
M:Why is Susan looking upset?W:I had her play piano instead of going out to play.Q:Why is Susan looking unhappy?()
A.Because her mother blamed her for not playing piano.B.Because she was not allowed to play piano.C.Because she had to play piano instead of going out to play.D.Because she was forced to go out.