The answer is (a) because compro is bought in Spanish and in the question it says “yesterday he bought the gifts for his mother” so bought would be the best answer. (B) is to buy I guess like I will buy chicken. And (c) is like they bought chicken. How I know this is well I speak Spanish I hope this helps!
¿Qué quiere la profesora para su cumpleaños?
<span>Son los pantalones de Roberto. Son sus pantalones.</span>
