The answer would be Es viernes, el catorce (when you say 14 you don't say diez y cuatro so that's why it can't be the first one) de marzo. I hope this helps!
The correct answer is A. Ella es una companera de clase.
This sentence literally means - She is a classmate.
B is incorrect because it means - They are from California. C is incorrect because it means - His name is Mr. Martin. D is incorrect because that means - What's your name?