【单选题】Many “stomach viruses” are really not caused by a virus at all. The complaints of diarrhea, cramps, and fever are frequently the result of the various aspects of improper food handling. __________.
A.
Keeping mayonnaise out in the heat too long will have the same result.
B.
The best way to avoid those problems is to be scrupulously clean, and store and cook foods properly.
C.
It is very dangerous to cut up raw meat and then prepare vegetables on the same cutting board without thoroughly scrubbing the cutting board first.
D.
Undercooked meats are notorious for causing severe gastrointestinal problems.