How do sharks survive without food for a long time

A．Because she was arrested and imprisoned.
B．Because a white mob attacked the school.
C．Because she was afraid that the students would be killed or badly injured.
D．Because a law was passed making it illegal to provide a free education for black students.

A．It suffered from toothache.
B．It fell 32 floors and died.
C．It magically survived falling from high building.
D．it was pushed down from the windowsill by its master.