Today we can get round the world in ______ hours.

A．Because Americans are tired of their traditional food.
B．Because many international organizations are located there.
C．Because America is a country full of immigrants.
D．Because America often holds international food festivals.

A．Stricter standards for food preparation.
B．More detailed labels on food.
C．Removing certain foods from the market.
D．Regular testing of food products.