All the class burst ______ laughter when they saw the funny picture.

A．share common needs but express them differently
B．share common needs and therefore express them similarly
C．don’t share common needs and therefore do not have similar expressions
D．don’t have common needs but express them similarly

A．her fall from a chair caused paralysis
B．her fall made her mentally disabled
C．she was not physically paralyzed, but she thought she was
D．her illness was beyond treatment