题目
下午3点,Lily打电话给Dr. Smith的办公室。接电话的人说:“Dr. Smith's office.” Lily应该怎么说才最得体? A. Good morning. I'm Lily. Are you Dr. Smith? B. Good afternoon. This is Lily speaking. Is that Dr. Smith? C. Good afternoon. You are Lily. Is this Dr. Smith? D. Good evening. This is Lily. Is Dr. Smith that?