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题库 / Prep2007E1-SC-14
Having finally reached a tentative labor agreement with its company's pilots, it must now be determined by the airline's board of directors how the airline can both increase profits and compete more effectively for customers than they did in the past.
it must now be determined by the airline's board of directors how the airline can both increase profits and compete more effectively for customers than they did in the past
it must now be determined by the airline's board of directors how the airline can both increase profits and must compete more effectively than in the past for customers
the airline's board of directors must now determine both how to make the airline increase profits and compete more effectively for customers than they did in the past
the airline's board of directors must now determine how the airline can both increase profits and compete more effectively for customers than it did in the past
the airline's board of directors must now determine how the airline can both increase profits and also how to make it compete more effectively than in the past for customers
猜测考点是伴随状语+平行结构。
Having finally reached 修饰 it？？？ 排除AB，剩下CDE。
both and 平行结构···剩下D了
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