— Hi, Tom! Could you spare me a minute? I want to have a word with you.

— Sure, Jean. _________.[ ]

A. You must be worried.          

B. It doesn’t matter.

C. What’s up?                  

D. Why me?

下列机构或官员在鸦片战争前，办理我国对外事务的是（）

A、大学士

B、理藩院

C、两广总督

D、两江总督