Respuesta :
Right answer is D) To celebrate their mother's birthday, the children served her breakfast in bed, they also made her cards, and went to dinner at a fancy restaurant.
Answer: D) To celebrate their mother's birthday, the children served her breakfast in bed, they also made her cards, and went to dinner at a fancy restaurant.
Explanation:
The sentence that has a problem with parallel structure is the following one: To celebrate their mother's birthday, the children served her breakfast in bed, they also made her cards, and went to dinner at a fancy restaurant. The three actions the children do for their mother are written in three different grammatical structures.