The old man ______ to his offspring.

The old man ______ to his offspring.
A、clings
B、depends
C、relies
D、backs
【正确答案】：A
【题目解析】：该题考查固定搭配。cling to意为“依恋，依附于某人”；depend和rely都要和on连用，意为“依赖，依靠”；back不能和to连用，故需要选择A。