OG 关于AND的语法问题

can7c · 发表于 2012-8-20 17:30:04

In the textbook publishing business, the second quarter is historically weak, because revenues are low and marketing expenses are high as companies prepare for the coming school year.

(A)low and marketing expenses are high as companies prepare
(B)low and their marketing expenses are high as they prepare
(C)low with higher marketing expenses in preparation
(D)low, while marketing expenses are higher to prepare
(E)low, while their marketing expenses are higher in preparation

这是OG里的一道语法题，正确答案是A。
疑问：AND不能连接两个完整句子。在此处“ revenues are low and marketing expenses are high ”是正确的。这是为什么呢？
是因为Becuase A and B吗？
求解答！！万分感谢！！

margaret_ccc · 发表于 2015-7-1 14:29:40

不懂+1 求解释

OG 关于AND的语法问题

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