—Do you want to go to the movies with me? 

—                       .          [ ]

A. Sure, this TV show is boring.            

B. That's all right.            

C. That's right.            

D. You're welcome

坦克有两条宽大的履带，可以通过_________与地面的接触面积而减小对地面的压强。一辆坦克的质量为4.5×10⁴kg，履带的着地面积是5m²，坦克对地面的压力是_________ （g取10N/kg），压强是_______。