Which of the following best completes the passage below?
“Government” does not exist as an independent entity
defining policy. Instead there exists a group of democratically elected
pragmatists sensitive to the electorate, who establish policies that will
result in their own reelection. Therefore, if public policy is hostile to, say,
environmental concerns, it is not because of governmental perversity but
because elected officials believe that______
(A) environmentalists would be
extremely difficult to satisfy with any policy, however environmentally sound
(B) environmental concerns are
being accommodated as well as public funds permit
(C) the public is overly anxious
about environmental deterioration
(D) the majority of voters vote
for certain politicians because of those politicians’ idiosyncratic positions
on policy issues（E）
(E) the majority of voters do
not strongly wish for a different policy
正确答案是E。 能说说是为什么嘛？ | 
