. Now everyone is concerned about how to conquer the economic crisis is very important for us to be able to preserve our standard of living.
A. which success
B. its success
C. the success of which
D. the success of it
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A. which success
B. its success
(答案→)C. the success of which
D. the success of it
解析：可联系答.案.网客服索取。