Answer:
Tú cocinas unas enchiladas muy buenas.
Step-by-step explanation:
This means: You cook very good enchiladas. "Cocinas" comes from the verb cocinar, and is the second person singular of the present form. Since the sentence is talking about "you", that's the correct option. Option "C" is incorrect because it's the verb in the infinitive. Option "A" is in the third person of the singular and option "B" is in the first person.