Researchers (Knox & Inkster,1968)visited a Race Track and Interviewed People

Researchers (Knox & Inkster,1968) visited a race track and interviewed people betting on the horses,both before and after they had placed their bets.They found that _______ were more confident in their betting decisions because _______.

A) people who were waiting to place large bets; they reported more experience.
B) people who were waiting to place small bets; they stood to lose less.
C) people who had already placed their bets; their bets changed the odds.
D) people who had placed small $2 bets; they stood to lose less.
E) people who had already placed their bets; they couldn't change their minds.