According to the passage, Benjamin Thomson was the designer for a project in______.

A．Boston's new city hall.
B．Sports and recreational facilities.
C．Commercial and industrial warehouses.
D．Restaurant, offices, and stores.

A．it saw an unusually large number of tourists to the US
B．it witnessed a drop in the number of tourists to the US
C．tourism was hardly affected by the weakening of the US dollar that year
D．tourists came to the US for sightseeing rather than for bargains that year