The answer is A.
An idiom.
I believe the answer is es.
I'm not sure how many errors you are looking for but, this is what I got:
My Father and I, have already several states this month.
I really only see one error. Father should be capitalized because Father is a title of a person. I would also say the "I" should always be capitalized but, it looks like you already got that. Everything else seems ok.
The answer is C. I just took the test
The speaker comforts himself into believing that the tapping sound is a visitor who has come to see him.
Hope this helps :)
