Surveys Taken After Barack Obama, a Self-Identified African American, Occupied

Surveys taken after Barack Obama, a self-identified African American, occupied the White House indicate that:

A) a slight majority of Americans expressed prejudice toward blacks, an increase since Obama's 2008 election.
B) a signigicant minority of Americans expressed prejudice toward blacks, a decrease since Obama's 2008 election.
C) whites believe that they benefit economically at the expense of blacks.
D) blacks believe that they benefit economically at the expense of whites.