When Real People Play the Ultimatum Game,starting with $100,what Usually

Multiple Choice

When real people play the ultimatum game,starting with $100,what usually results

A) Player A usually proposes giving Player B more than $50.
B) Player B usually accepts Player A's proposal if Player A proposes giving Player B $30 or $40.
C) They always split it evenly so each gets $50.
D) Player B usually rejects Player A's proposal regardless of the amount.