The UN is trying to the world hunger.A. get rid of; byB. rid; ofC. be rid of ;byD. get r

问题补充：

The UN is trying to the world hunger.

A. get rid of; by

B. rid; of

C. be rid of ;by

D. get rid; of

答案：

A. get rid of; by

(答案→)B. rid; of

C. be rid of ;by

D. get rid; of

解析：考查动词短语。rid…of…使……摆脱……，句意：由于他的研究,联合国正在使世界摆脱饥饿。