Indirect Object Pronouns Answer Each Question That You Are Asked by Selecting the by Selecting

Indirect object pronouns
Answer each question that you are asked by selecting the grammatically correct response.
--¿Compras algo para Juana y Natalia hoy?

A) -Sí, les compro una torta hoy.
B) -No, las compro en abril para la fiesta.
C) -Sí, ya los compraste hoy.
D) -No, ellas no les compran nada.