— Can I come to ask for some advice at any time?—Yes of course.A. If you're convenient

问题补充：

— Can I come to ask for some advice at any time?

—Yes, of course. .

A. If you e convenient

B. At your convenience

C. Don worry

D. Don mention it

答案：

A. If you e convenient

(答案→)B. At your convenience

C. Don worry

D. Don mention it

解析：本题考查交际用语。 “-我可以随时来征求你的建议吗？---当然可以， 只要你方便的话。”at your convenience 在你方便时。