单选题：Speaker A:Hello,Jane. How lucky to run into you! Can you and

题目内容：
Speaker A:Hello,Jane. How lucky to run into you! Can you and Tom come to dinner tomor-row evening?
Speaker B:_________. I don't think we're going out. A．I suppose I can't
B．I'm afraid not
C．It's my pleasure
D．I think so

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