当我们的努力受到老师和同学称赞时，就会感到分外高兴。这是因为[ ]

A．我们的自尊心得到了肯定和满足

B．我们的虚荣心得到较大满足

C．我们的情绪受他人看法和评价的影响

D．我们有了可以骄傲自满的资本

—I called you at six yesterday, but there was            answer.              

—Did you? I _         dinner at my friend's home.            [ ]

A. not an; had                      

B. no; was having            

C. not; was having                

D. no; had