Question

めんだこ

空所の選択問題です。
1,seem to be 2,does not seem to be 3, seem to have 4, does not seem to have 答え2
どう選んで良いのか全くわかりません、またそれぞれの選択肢がダメな理由も教えてください。
ご回答お待ちしております🙏🙇‍♀️

Some research has shown differences in the relative sizes of
the brains of males and females of the same age, but so far no
great differences have been found between people of the same
age but of different ethnic groups. Obviously the brain of a
20 small Japanese teenager is very much smaller than that of a
giant Russian boy. But when brain size is adjusted for size or
weight of the body, there ( 3 ) great advantage for either
with respect to intelligence. Moreover, in measuring intelligence

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