When talking about work redesign, what is meant by the term "composite work group''?

Multiple choice:

a. a group that mirrors the diversity of the company at large.

b. a focus group made up individuals from a broad range of company units, tasked with identifying production bottlenecks and the solutions for overcoming such bottlenecks

c. groups in which individuals would be cross-trained in multiple jobs so each group could work relatively autonomously.

d. the extensive use of advanced information technology systems to promote greater communication across an enterprise.