单选题You can imagine what&nbsp

问题补充：

单选题Youcanimaginewhatgreattuoublewehad_____theschoolfortheblind.A.setting upB.to set upC.set upD.to setting up

答案：

A解析本题考查固定句型。have trouble(difficult) doing sth 做某事有困难。定语从句部分是I have had (great trouble) setting up the school for the blind。