Which statement does not have a formal tone?

A) I will meet you at the gate.
B) The rest of the problems were wrong. ***?
C) I'm sure there's something we can do.
D) I cannot tell what the difficulty is.
I would really appreciate help. I do think that the answer is B. Thanks for any help!

answer is c

answer is actually c

Have you considered A because "I" is not allowed in formal papers?

Be sure to check your text.

Okay. I will also check it again.

is it a or b

I agree.

Alright! Thank you very much Bibble! I thought it was B.