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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Visiting the doctor can be confusing (令人糊涂的). Often. you must wait a long time to see the doctor. When you finally scc the doctor. it is often just for a short lime. so it’s important to be pmpared to...
A.
They have to wait a long time.
B.
They have to talk to the nurse first.
C.
They have to make a lelephone with the doctor.