Tom: You are playing guitar well. Can you read music? Charles: No, I dont. I just listen to songs o

Tom: You are playing guitar well. Can you read music? Charles: No, I don't. I just listen to songs on the radio and then play them until they sound right. Tom: ______ Charles: No, really.

A．You're lying

B．You're cheating

C．You are boasting

D．You're kidding

D解析：Tom对Charles不识乐谱也能弹得一手好吉他感到难以置信，这种情况下一般说 You're kidding或You're joking，意思是：“你在开玩笑吧!”或“这不是真的!”。其他几个选项分别表示“撒谎”、“吹嘘”、“欺骗”，都不恰当。