Question

Choose the sentence in which the italicized pronoun agrees in number with its italicized antecedent or
antecedents.
A. The waiter refilled their glasses as they emptied it.
B. The boys want their dessert now.
C. Mary and Jill won't eat her vegetables.
D. Maureen called the children for her meal.

Answer 1

B. The boys want their dessert now. Since boys is plural, and so is their, this choice is correct. 

Answer 2

your answer would be B.