问题
选择题
------- Excuse me, but could I use your mobile phone for a while?
-------. I’m not using it myself now.
A．Never mind
B．Of course, you could
C．That’s all right
D．At your service
答案
答案：D
考查交际用语。结合句意可知D正确。—我可以用一下你的手机吗？—随便你，我现在不用。