答案：B

题目分析：考查交际用语，A．That's OK那好吧B．By all means当然可以C．It doesn't matter没关系D．Use it用它，句子意思“我能用你的手提电脑吗？当然可以，我现在也不用”

点评：交际用语的考查要放在上下文中进行，在平时要注意积累一些常考的交际用语短语。本题四项都是常考的短语

即学即练：--Wow, isn’t this handsome device the most popular iphone5? Can I have a look at it?  --______.

A. No, you can’t                           B. Sorry, it’s expensive

C. Of course, it looks good                   D. Yes, go ahead

选D