解释划线的字。   

1．楚人有鬻盾与矛者：                                                        

2．物莫能陷也：                                                               

3．其人弗能应也：                                                                    

4．蚌方出曝：                                                                

— Who is absent from the lecture today?

—_____________you ask? Peter, of course.

A．Would

B．Can

C．Could

D．Need