According to the article, why did the Ice Bucket Challenge become so well-known?

Question

A.Many patients with ALS were able to get better care.
B.Three leaders with ALS worked very hard to spread the word.
C.Three new drug treatments for ALS were developed.
D.People learned about ALS after Lou Gehrig had it.

Answer 1

B. Three leaders with ALS worked very hard to spread the word.