许多企业认识到，市场竞争不仅仅是单个企业之间的竞争，同时也是供应链之间的竞争。

Handholds or straps on the underside of an inflatable liferaft are provided（）.

A.to right the raft if it capsizes

B.to carry the raft around on deck

C.for crewmen to hang on to

D.to hang the raft for drying