Of the Following Individuals, How Many Qualify as Having Experienced

Of the following individuals, how many qualify as having experienced an episode of binge drinking?
(a) Martha, who had 6 drinks within a 30 minute period at her sister's wedding about 6 weeks ago;
(b) Janice, who had 3 shots of vodka in 5 minutes at the club last weekend;
(c) Erik, who won a contest with his friend by having 7 shots of tequila in 7 minutes last night;
(d) Aaron, who had 4 beers in an hour during the football game on Saturday.

A) 1
B) 2
C) 3
D) 4