Backward Vertical Integration and Forward Vertical Integration Can Be Respectively

Multiple Choice

Backward vertical integration and forward vertical integration can be respectively defined as a situation where:

A) A firm takes over activities previously undertaken by its customers
B) A firm takes over activities producing some of its own main inputs, and takes over activities previously undertaken by some of its significant customers
C) A firm takes control of one of its rivals, and a firm takes control of one of its suppliers
D) A firm takes control of most of its suppliers, and of a few of its customers