题目内容：

I'm sorry to trouble you .could you lend me a pen ,please.Of course_____________.
A .it's my pleasure
B.you can
C I'm so glad
D.you are welcome

优质解答

选A
抱歉打扰你,能请你借我一支钢笔吗?——当然,我很乐意
It's my pleasure我很荣幸；别客气等