A. Interrogative, question mark. "Have you ever been to North Carolina?" is a question, hence the question mark. If one is being interrogated, he or she is being questioned.
Answer:
Let's study tomorrow, Shall we?
Write an email, Will you?
Everybody clapped, Didn't they?
A little cream is added to the dishes, isn't it?
I am thinner than you, aren't I?
Explanation:
