题目

 如图中的三个直角三角形是一个体积为的几何体的三视图，则侧视图中的 A.B.C.D. 答案：C选择翻译正确的句子 只有下课了，他才能和他的朋友们一起踢足球。 [　　] A．Only when the class was over was he able to play football with his friends. B．Only when the class was over he was able to play football with his friends. C．Only when was the class over he was able to play football with his friends.