大学の過去問です。詳細に解説お願い致します。

四択から文章として適切なものを選択する問題なのですが、文法、熟語を考慮してそれぞれどこが不適なのか教えていただきたいです。

（A）Research by the Society for Research on Biological Rhythms found that there are greater advantages to make standard time permanent,a opposed to Daylight Saving Time.

(B) Research by the Society for Research on Biological Rhythms found that there are greater advantages to making standard time permanently,as opposing Daylight Saving Time.

(C) Research found by the Society for Research on Biological Rhythms
greater advantages permanently makes standard time, as opposed to Daylight Saving Time.

(D) Research by the Society for Research on Biological Rhythms found that there are greater adyantages to making standard time permanent, as opposed to Daylight Saving Time.

（Dが正解です。）