Can someone help me with this one question

Which one of the following is the correct rhyme to keep in mind when using the spanish counterparts to this, that, those and these? a: “that” and “those” both have s’s, “this” and “these” don’t b: “that” and “those” both have t’s, “this” and “these” don’t c: “this” and “these” both have s’s, “that” and “those” don’t d: “this” and “these” both have t’s, “that” and “those” don’t

8. a marta (interesar) mucho los muchachos

What is the affirmative tú commands of the verbs, (desayunar, comer, evitar, beber, pedir, comprar)