Question

Which type of sentence is this and what punctuation should it have?

That's terrific that you won the contest









A.
interrogative, period







B.
exclamatory, exclamation point







C.
declarative, period







D.
imperative, exclamation point

Answer 1

I think it is B

Answer 2

It is B, since it is said with more vigor than a regular sentence

Answer 3

@ManImStumped Thank you :)