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题库 / OG2017V-SC-223
The Baldrick Manufacturing Company has for several years followed a policy aimed at decreasing operating costs and improving the efficiency of its distribution system.
aimed at decreasing operating costs and improving
aimed at the decreasing of operating costs and to improve
aiming at the decreasing of operating costs and improving
the aim of which is the decreasing of operating costs and improving
with the aim to decrease operating costs and to improve
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AE的区别是一个是后置定语，另一个是状语，所以修饰的内容是不同的，所以应该是选择A。 而不用考虑什么to do, 还是doing.
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