*Los mandatos informales
-"Escribe (tu) la tarea"
-"Compra (tu) los libros"
*Los mandatos formales
-"Haga (Usted) la tarea"
-"Compren (Ustedes) los libros"
Answer:
B: Mi padre la ayuda.
Explanation:
Madre is a feminine word, meaning its direct object pronoun would be la. "Lo" would be for masculine nouns, and option c just says "My father helps", not indicating who or what he helps.
The answer to your question is c. se dice