Mr. and Mrs. Pfile arrived at Reader's Digest Headquarters in Pleasantville, New York by_______.

A．Necessity is the mother of invention.
B．An ounce of prevention is worth a pound of cure.
C．Don't count your chickens before they are hatched
D．Join the unhooked generation.

A．William is about to begin a four- year degree in art history at St. Andrews University.
B．William is the eldest son of Prince Charles and the late Princess Diana.
C．William would have to find a new university to run away from media exposure.
D．William's choice of St. Andrews contributed to a 44.4 percent increase in applications.