please explain why the correct answer given below is correct. Explain why the pronoun 'their' is correct. Why should it refer to children?, and, why not to parents?

For parents, a benefit of coeducation at both the elementary and high school levels is the assurance that as a child matures, their social skills improve as well.


a) the assurance that as a child matures, their

b) the assurance that as children mature, their

c) to assure that when a child matures, his or her

d) to assure that when children mature, their

e) assuring that as children mature, their


Correct answer B

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