问题补充：
—May I use your phone? I left mine at home.
— Here it is.
A. By all means
B. Never mind
C. It is a pleasure
D. Don’t mention it
答案：
(答案→)A. By all means
B. Never mind
C. It is a pleasure
D. Don’t mention it
解析：考查交际用语：问句：我可以用一下你的电话吗？答：当然可以。A当然B.没关系C.不用客气; D.不用谢，故选A
