Which statement about functional and cross-functional teams is TRUE?
A. Cross-functional teams have a hierarchical (top to bottom) structure and are headed by the unit manager.
B. Members of a functional team generally do not share a common purpose or work towards the same goals even though they work in the same department.
C. Cross-functional teams are commonly used for resolving complex problems or working on complex projects that involve multiple functional units in an organisation.
D. Functional teams are time-limited – a team's duration may only be for the few weeks or months it takes to complete their mission.