What Measure,that Depends on How Much of a Firm's Revenues

Multiple Choice

What measure,that depends on how much of a firm's revenues are attributable to product market activities that have shared technological characteristics,production characteristics,or distribution channels,is used to determine how diversified a firm is at a given time?

A) Integration level
B) Rumelt score
C) Conglomerate level
D) Activity share
E) Relatedness