题目

---Jenny took the 9:10 bus to Hangzhou this morning. ---Really? She ____ the 9:00 Express. It is much more comfortable and faster to travel by train. A. could have taken             B. need have taken  C. must have taken              D. would have taken   答案： A   考查虚拟语气。句意：----珍妮今天早上乘了9:10的公共汽车去杭州。----真的吗？她本能乘9:00的特快火车的。乘火车更加既更加舒适和快速。根据句意选A。  

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