His father is a laid-off worker with a total income of around 300 yuan per month which o

问题补充：

His father is a laid-off worker with a total income of around 300 yuan per month, which only the basic needs of his family.

A. offers

B. supports

C. affords

D. covers

答案：

A. offers

B. supports

C. affords

(答案→)D. covers

解析：考查动词用法，cover意思是：够付，afford意思是：买得起, 担负得起，一般和be able to/can 等连用。另二个词意思不合题意。