Why do archaeologists believe that people living in the ancient Roman city of Pompeii had their own early forms of the hospitality and tourism industry?
A). They have found what appear to be taverns, restaurants, and even inns.
B). They have found a variety of pamphlets and brochures for travel excursions.
C). They have found old light-up hotel signs.
D). They have found journal entries from hotel and restaurant owners.