Answer: do u need the all definition of the writing
Explanation:
I like it, or I like him, or I like you
it could be, "a mi tambien"
Tu because If you put Mi or mis son rojos it says my are red which dosen't really make sense. Since you put tu in front of son (plual) it would be they are red.
The answer is C.
La profesora dice que tenemos que estudiar mucho para el examen