A．He won’t vote for the woman.
B．He may also run for class president.
C．He should promise to support the woman.
D．The woman should ask his roommate to vote for her.

A．It increased the students’ white blood cell count.
B．It increased some students’ energy level.
C．It improved the students’ ability to play musical instruments.
D．It released a natural painkiller in some students’ bodies.