Direction: Given below is a passage with five blanks (A-E). Some words written in brackets are given against each blank. One or more than one word from the bracket is/are the right word for that blank. If none of the words fits the blanks, according to you, then select ‘None of these' as your answer.

Over the past decade, the business world has been positively and negatively affected by several disruptive innovations. Disruptive innovation occurs when a new or ________ (A) (underrated, undervalued, exaggerated) company initially at the bottom of an industry’s market moves up and eventually displaces the existing competitors. It alters the industry’s competition ________ (B) (reactionary, unplanned, strategies) by introducing completely new approaches. The term disruptive innovation was first coined in the book, The Innovator’s Dilemma. In the 1997 best-seller, a Harvard Business School professor wrote about “why some innovations that were radical in nature reinforced the ________ (C) (discretionary's, incumbent’s, volunteer's) position in a certain industry, contrary to what previous models would predict.” The new business adopts new layouts that cannot be ________ (D) (imitated, mimicked, drained) by competitors making it the lead in that specific industry. This subsequently affects the entire market network and processes. For that reason, businesses have been ________ (E) (striving, attempting, aiming)   to shift their means of operation to keep up with this competition.