In the Context of Emerging Markets, Unlike Normal Innovation, Reverse

In the context of emerging markets, unlike normal innovation, reverse innovation:

A) starts as companies try to adapt their established products and services by removing more expensive features.
B) creates a new market and value network and eventually disrupts an existing market and value network.
C) creates new products from the ground up to meet the specific needs of the poor.
D) is not a source of sustainable competitive advantage for companies.