ThesystemhangsatboottimeafterstartingNFSservices.Whatisthemostlikelycause?()

A.Theactionparameterofrcnfsin/etc/inittabis’off’andthescriptcalledisnotexiting.

B.Theactionparameterofrcnfsin/etc/inittabis’wait’andthescriptcalledisnotexiting.

C.Theactionparameterofrcnfsin/etc/inittabis’once’andthescriptcalledisnotexiting.

D.Theactionparameterofrcnfsin/etc/inittabis’respawn’andthescriptcalledisnotexiting.