"closed captions" are captions that ______.

A．It is the only book for her philosophy class.
B．All the classes have a lot of reading.
C．She just has to read for her philosophy class.
D．Only the philosophy class has a lot of readin

A．She was fond of singing.
B．She lived in a small house.
C．She was a shy person.
D．She was not conscious of her weakness.