Recall the Application About the Government Blocking the Merger Between

Recall the Application about the government blocking the merger between baby food makers Heinz and Beech-Nut to answer the following question(s) .
-Recall the Application. Heinz, the second largest baby food producer tried to buy the Beech-Nut brand. Even though the combined firm would be less than half the size of the market leader Gerber, the government blocked the merger because:

A) the smaller the number of firms in an industry the easier price coordination.
B) baby food production levels are set by the government.
C) Gerber did not want a competitor as big as the combined firm would have been.
D) all of the above