The correct one is the number 4
Answer d is most grammatically correct
Which direct object pronoun correctly completes this conversation?
Fernando: Tengo que comprar ropa para la fiesta.
Víctor: ¿Vas a comprar _____?
Answer : B. la) Víctor: ¿Vas a comprar<u>la</u>?
Explanation : The direct object is "la ropa", that is a feminine singular noun, so the pronoun must be feminine singular too. "la". Because the verb is in the infinitive mode, the pronoun have to be added after the verb. Comprarla.
3) la medicina is the correct answer