大全几道语法题

1。For most consumers, the
price of automobile insurance continues to rise annually, even if free
of damage claims and moving violations.

(A)
even if

(B)
despite being

(C)
even if they are

(D)
although they may be（C）

(E)
even if remaining

        

选C，They指代的是Consumer么？这句话怎么理解阿？

    

2。Marketing researchers
have found that, because many residents of the Southeast do not share the
same ethnic heritage as Northeasterners, the two varieties of commercially
prepared coleslaw most popular in New York City
and Boston are virtually ignored by consumers in
Richmond and Raleigh.

(A)
because many residents of the Southeast do not share the same ethnic heritage
as

(B)
because many residents of the Southeast do not share the same ethnic heritage
with

(C)
because many residents of the Southeast do not have the same ethnic heritage as

(D)
due to many residents of the Southeast not sharing the same ethnic heritage
with（C）

(E)
whereas many residents of the Southeast do not share the same ethnic heritage
as

选C，但是不应该是because many residents of the Southeast do not have the same ethnic heritage as Northeasterners do，要加do才对的吧？ 什么时候要加，什么时候不用啊？我一直对这个很迷惑。

        

3。In spite of continuing
national trends toward increased consumption of specialty foods, agronomists in
the Midwest foresee a gradual reversion to
the raising of agricultural staples: feed corn and hard red wheat.

(A)
a gradual reversion to the raising of agricultural staples

(B)
that a gradual reversion back will feature the raising of agricultural staples

(C)
a gradual reversion back to the raising of agricultural staples again

(D)
a gradual reversion to raise agricultural staples（A）

(E)
a gradual reversion into the raising of agricultural staples

        

为什么选A ,而不是D，不是尽量用动词么？

    

谢谢大家解答！！！！！