由脾虚不运致痰湿停积的证侯属（）

A.因虚致实

B.虚中挟实

C.实中挟虚

D.由实致虚

E.虚实并重

There _____ lots of popcorn in the kitchen last night.     [ ]

A. were      

B. had          

C. are        

D. was