Most insomnia is not an illness or a physical condition so much as a symptom of another problem that may simply be a reaction to certain medications, anxiety about travel, or stress before a job interview.
an illness or a physical condition so much as a symptom of another problem that may simply be a reaction to certain medications
an illness or a physical condition so much as symptomatic of another problem that may be a simple one, like a reaction caused by certain medications
so much an illness or a physical condition but a symptom of another problem that may be as simple as when certain medications cause a reaction
so much an illness or a physical condition, but it is a symptom of another problem, maybe a simple one like certain medications causing a reaction
so much an illness or a physical condition but symptomatic of another problem, maybe simply a reaction to certain medications
不知道not...so much的用法,主要根据后面三个平行判断出来A正确,也就是a reaction to.... ,anxiety about....,or stress before....明显都是noun+preposition的格式,只有AE比较平行,然后E中not ...but ...应该也是两个名词平行才对,但是后面是symptiomatic of,又不平行,所以排除E,留下A
平行结构最重要,E 的maybe是少了谓语的。
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