GMAT Critical Reasoning (CR) | Springfield Fire Commissioner:

Hi expert,
The conclusion is the proposal to removal fire alarm boxes.Removing such boxes will reduce the number of prank calls without hampering people's ability to report a fire.

I could hardly eliminate option C.In my 2 cents,option C ensures that removing such boxes won't cause any difficulties to report a fire;hence it is a good contender.Option A is also another good contender;it states that fire department can trace the call;hence,the department can somehow limit the false alarm,if any,