a more comfortable life, the poor couple worked hard and took on more part-time jobs.A. A

网友回答

(答案→)A. Aiming at
B. Adding to
C. Relating to
D. Taking advantage of
解析：“为了过一个更舒适的生活，这对可怜的夫妇努力工作并且做更多的兼职工作。”
A. Aiming at目的，为了         B. Adding to    增加C. Relating to关于        D. Taking advantage of利用。因此答案A。