egmat wrote:
In Choice C As + prepositional phrase does not work in the context of this sentence because the main clause contains an action that needs to be compared with another action after as. This action is missing in Choice C.
Hinishatfarhat87 ,
This is not a correct analysis of Choice C, in my opinion. The Official GMAC answer explanation is also lacking, but I will do my best to explain it more clearly.
The main clause does not contain an action that needs to be compared with another action
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