A The author believes that flattening the curve is the key to soften the final results of the situation.

B For the author, flattening the curve is the same as washing hands every three hours and roughening the curve is the same as staying home.

C The author believes that roughening the curve is the key to soften the final results of the situation.

D According to the author, a sudden surge in patients over a short time means flattening the curve.

E The author thinks that fewer patients would arrive at the hospital each day if people went back to their jobs as usual.