I really can’t thank you enough， sir.    —        .

A．That’s the most I could do

B．I’m glad to have been of help

C．No problem

D．With pleasure

下边漫画启示我们

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A．不要有虚荣心

B．当别人困难时，我们要多捐助些钱

C．朋友之间要彼此尊重

D．要克服闭锁心理，积极寻求朋友