—How many people are still leading life under poverty line in the world?—Perhaps one fou

问题补充：

—How many people are still leading life under poverty line in the world?

—Perhaps one fourth.

A. a, the

B. a, a

C. 不填，不填

D. the, 不填

答案：

(答案→)A. a, the

B. a, a

C. 不填，不填

D. the, 不填

解析：life:[u , c] way of living .如have an easy /hard life. 过闲适/艰苦的生活.第二个空特指贫困线，应用 the .故选A.