The answer is C because in French there is something called le COD and Le COI le COD is the doctor which is replaced by Le but there is no COI in this sentence
I bought you a gift=
Je t'ai acheté un cadeau.
1) I think its B. <span>Non, ils n'ont pas le vus
2) I dont know sorry
3) is D.</span><span>I am in line.</span>