Which of the Following Statements Regarding Efficiency Gains Is FALSE

Which of the following statements regarding efficiency gains is FALSE?

A) Takeovers relying on the improvement of target management are difficult to complete,and post-takeover resistance to change can be great.Thus,not all inefficiently run organizations are necessarily more efficient following a takeover.
B) Although identifying poorly performing corporations is relatively easy,fixing them is another matter entirely.
C) A justification that acquirers cite for paying a premium for a target is efficiency gains,which are often achieved through an elimination of duplication.
D) A chief executive of an inefficiently run corporation can be ousted by current shareholders voting to replace the board of directors,and in fact a large number of ineffective managers are replaced in this way.