A Multicell Thunderstorm Typically

A multicell thunderstorm typically

A) lasts a few hours at most and is no more than a kilometer in size.
B) lasts a few days at most and is no more than a few kilometers in size.
C) lasts a week at most and is no more than a few tens of kilometers in size.
D) lasts more than a week and is a hundred kilometers in size or more.