Which of the Following About Disruptive Innovations Is FALSE

Which of the following about disruptive innovations is FALSE?

A) Disruptive innovations typically appeal to customers at the lower end of the market.
B) Disruptive innovations help a company to target demanding,high-end customers.
C) Many established companies often underestimate the competitive threat disruptive innovations pose.
D) Disruptive innovations can be found in product,process,and business strategy innovations.
E) a and d are both FALSE