题目内容：
17. Putting your mobile phone on a restaurant table may make your friends think______.
A) you prefer to talk to your friends at the table.
B) you value your calls more than your friends.
C) you are enjoying the company of your friends.
D) you are polite and considerate of your friends
参考答案：【答案仅供学习，请勿对照自行用药等】