Which is the best and most objective restatement of the main idea and important details in the selection "it organized itself"?

a. in 1969, nelson annouced a day of demonstrations about the enviornment to be held on april 22, 1970. new services spread the story, and the reaction from the public was extremely positive. nelson's staff set up a national headquarters, and about 20 million americans took part in the first earth day. the enviornment was finally a national issue.

b. senator nelson set the date for the first earth day as april 22, 1970. understandably, the public's reaction was amazing. all over the states, people responded eagerly and enthusiastically, asking how they could participate in this important event. schools and other community organizations across the country held fantastic demonstrations and earth day was an awesome success.

c. in september 1969, nelson set april 22, 1970 as a national day of demonstrations for the enviornment. newspapers, television and radio carried the story. people everywhere wrote letters, sent telegrams, and made phone calls. senator nelson's staff set up a headquarters, and college students did most of the work. earth day "organized itself".