Question

Which of the following interrogative sentences is correctly punctuated?

A. Can you come to my party or not?
B. Didn't I tell you I could not come to your party, I could have sworn that I did.
C. I was wondering if you will be able to make it to my party?

Answer 1

I think it is A. Can you come to my party or not

Answer 2

A is the answer because it ends with a question mark and starts with an interrogative word