Do you consider it important ＿＿＿ they do it by themselves?
(A)whom
(B)is that
(C)that
(D)which
(E)who

不完全及物動詞，後除接受詞(it)，還需加上受詞補語使語意完整，動詞有：

Find , consider, make, think,等字。

例如

a) 不完全及物動詞 + 受詞 + 受詞補語

      - Our country made soldiers brave.

      - Your parents made you a good pianist.

b) 不完全及物動詞 + it + 受詞補語 + 不定詞片語

      - Mrs. White makes it a rule for her twins to get up at 7:30 a.m. every morning.

      - The high pay can make it comfortable to live in a busy city like Taipei.

c) 不完全及物動詞 + it + 受詞補語 + that子句

      - The difficulty of the job made it necessary that he should do it with care.

      - We can’t make it real that we can finish our project on time without having more manpower.

http://twenglishstudy1.pixnet.net/blog/post/454249886

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