試題詳解

43. According to the author in paragraph 5, why does girls' academic achievement take a nosedive at puberty?
(A)Because it is natural for girls to be smarter when they are younger.
(B)Because nosedive is a disease that affects many adolescent girls.
(C) Because puberty is a math skill boys are better at.
(D)Because teenage girls may pretend to be less smart in order to be attractive to boys.