Most insomnia is not so much an illness or a physical condition as a symptom of another problem that may simply be a reaction to certain medications, anxiety about travel, or stress before a job interview.
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.
A. an illness or a physical condition so much as a symptom of another problem that may simply be a reaction to certain medications - BUT is missing
B. 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 - BUT is missing
C. 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 - illness - symptom are parallel
D. 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 - illness - it is an illness - not parallel
E. so much an illness or a physical condition but symptomatic of another problem, maybe simply a reaction to certain medications - illness - symptomatic - not parallel
Answer - C