求助:og11,SC 的43题

gnefiahihs

43 Although she had signed a pledge of abstinence while being an adolescent, Frances Willard was 35 years old before she chose to become a temperance activist.

(A)  While being an adolescent

(B)  While in adolescence

(C)  at the time of her being adolescent

(D)  as being in adolescence

(E)  as an adolescent

答案是E，问题是这句话怎么理解，可否译为中文？

Gmat 新手，英文也不是很好，愿闻其详

Nolayang

尽管FW在青年时决定禁欲，她在35岁时才选择成为一个节欲的行动积极分子

请大家更正~