jaka reakcja?

Witam,czy w trakcie rozmowy można zareagować w ten sposob?(can you?)
-I can't stand chocolate.
-Can you?

sa raczej takie mozliwosci:
A. I can't stand chocolate. Can you?
B. [answers]

A. I can't stand chocolate.
B. Can't you? / Can you not?

dziękuję