_____with his slippers on when he heard the terrible noise.[ ]

A. Out did the policeman rush                  

B. Rushed the policeman out

C. Out rushed the policeman                    

D. Out the policeman rushed

There were already 4 people in the car but they managed to take John as well. It ______ a comfortable journey.

A．can’t be

B．wouldn’t be

C．mustn’t have been

D．couldn’t have been