单选题
Speaker A: Sam, I"m calling to say goodbye to you, as I"m leaving this afternoon.
Speaker B: ______
A、
Look after yourself, and thank you for your calling.
B、
Pay attention to your schedule. Don"t be late for the train.
C、
Thank you and don"t forget to keep in touch with me.
D、
Take care and I wish you a pleasant journey.
【正确答案】
D
【答案解析】
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