Which sentence is preferable?

A. A student must see their advisor before registering for the following semester.

B. A student must see his advisor before registering for the following semester.

C. Students must see their advisor before registering for the following semester.

D. Students must see his or her advisor before registering for the following semester.

D

Kalie -- you need to know grammar rules, not fly by the seat of your pants about what "looks preferable."

Confirmed the answer is C.

Is it rude for an English teacher to correct a student's grammar?

I don't think its rude maybe kalie does.

No; not D.

I agree its D because it looks preferable.

It'd say C.

I'd say C*

Question left open, I have selected C. I'll keep Jishka updated if this was correct or not.

rude