Respuesta :
D. Consider how somebody would have to work to solve a huge number of math problem an one hour.
Feverishly tells you how frantically someone works. It is not a synonym or antonym of problem. Also since feverishly ends in -ly you can assume it's an adverb so it needs to describe an action.
Feverishly tells you how frantically someone works. It is not a synonym or antonym of problem. Also since feverishly ends in -ly you can assume it's an adverb so it needs to describe an action.