-where's Mr Smith?I can't find him everywhere.-I'm sure he _____ to play football with his friends.A.has been B.is going C.has gone D.went我不知道应该选择B还是C，大家说说理由把！！！！
參考答案:应该选C 应为上句说哪都找不到，回答是我肯定他去踢球了。is going to play表示计划，将要做某事，翻译应该是我肯定他将要去和朋友踢球，那么既然是将要，只是个计划，为什么肯定呢，不符合逻辑。所以应该是选C 表示完成时，他已经去了