What Does Idle Production Capacity Refer To

What does idle production capacity refer to?

A) a situation where the demand for exceeds the availability of service providers and as a result, no services can be offered
B) when the supply of service providers exceeds the primary demand for the service
C) a situation where a service provider is available but there is no demand for the service
D) integrating the service component of the marketing mix with efforts to influence consumer demand
E) the potential profits of one service provider serving multiple clients at the same time