The word "squeak" means ________.

A．The thirty-foot-long pipe was not a straight one.
B．There were no big bends in the solid stone.
C．Solid stone had to be put into the pipe.
D．In one place the workmen had to put big bends into some new wiring.

A．it was a clever mouse
B．it was a male mouse
C．it was ready to help the female mouse no matter what happened
D．it could sense the gentle press that made the female mouse squeak