What is necessary to the flourishing and multiplication of the animals kept in captivity

A．The entire campus.
B．Part of the campus.
C．The campus and the city.
D．Only the off-campus areas.

A．Because she had to type Mr. Bascomb’s speech.
B．Because she had a headache.
C．Because she had to meet some businessmen.
D．Because she had to get her car fixed.