The reason why 1994 was exceptional is that __A．it saw an unusually large number of touris

The reason why 1994 was exceptional is that __

A．it saw an unusually large number of tourists to the U.S.

B．it witnessed a drop in the number of tourists to the U.S.

C．tourism was hardly affected by the weakening of the U.S. dollar that year

D．tourists came to the U.S. for sightseeing rather than for bargains that year