Question

Complete the conversation with a suitable sentence:
A: _________________________?
B: I'm going to study in the library.

• A. What do you study in the library
• B. What are you doing now
• C. When are you going to study
• D. What time are you leaving
  

Answer 1

The correct option is B What are you doing now

Since the answer is about doing the action of studying in the library, the question should imply asking about what is being done. Hence, Option B is correct. The rest of the options do not adhere to this rule, hence incorrect.