In many ways China’s rapid growth has been seen as a(n) to improve the cooperation with other countries.
A．attempt
B．motivation
C．conception
D．realization
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解析：考查词义辨析。attempt 尝试，motivation动力，conception概念，realization意识，句意：在许多方面，中国的快速增长被作为提高与其他国家合作的动力。所以选B。