Life is more than merely trying to achieve thestandards of society but trying to be a good

问题补充：

Life is more than merely trying to achieve thestandards of society but trying to be a good person one’s own standards.

A. at

B. in

C. on

D. by

答案：

A. at

B. in

C. on

(答案→)D. by

解析：句意，生命不仅仅是努力达到社会标准，而是努力按照自己的标准，成为一个好人。At在 in在……之中 on在……上 by按照，根据题意，故选D。