S3. Rock music which originated in the 1950s challenged ______.

A．The violin was too expensive.
B．She was too young to play the violin.
C．The violin was too big for her.
D．Her mother wanted her to play the piano.

A．The room is on fire.
B．The two persons are bothered by the smoke.
C．There is very little breeze.
D．The two persons are not permitted in the room.