Use the Information Below to Answer the Following Question

Multiple Choice

Use the information below to answer the following question.
Fact 15.4.1
Apple conspired with five publishers to undercut Amazon's 90 percent share of the e-book market, which caused e-book prices to rise to $12.99 or $14.99 from the $9.99 that Amazon charged.
-Refer to Fact 15.4.1. This conspiracy to raise prices violates the anti-combine law because

A) Apple is merging with the five publishers.
B) Apple is telling the publishers the price at which they must sell e-books.
C) Apple is refusing to deal with Amazon.
D) it substantially lessens competition in the e-book market.
E) it is creating a monopoly.