thE purposE oF two quEstions in thE sEConD pArAgrAph is to ______.
A．DEmonstrAtE why pEoplE ArE AmusED
B．DisplAy whAt pEoplE lAugh At
C．Bring to light thE phEnomEnon oF lAughtEr
D．ACCEnt whAt A phEnomEnon lAughtEr rEAlly is