问题描述：
the question of English
18.____,he is ready to accept suggestions from different sources.
A.Instead of his contributions B.For all his notable contributions
C.His making notable contributions D.However his notable contributions
18.____,he is ready to accept suggestions from different sources.
A.Instead of his contributions B.For all his notable contributions
C.His making notable contributions D.However his notable contributions
问题解答：
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