Part$-$time, temporary, and contract workers who are available for hire on an as$-$needed basis are known as

A$)$ consultants

B$)$ core employees

C$)$ summer employees

D$)$ a contingent workforce

A team that lacks discipline needs someone to fulfill the team role of $$

A$)$ controller$-$inspector

B$)$ linker

$,$ explorer$-$promoter

D$)$ upholder$-$maintainer