There____________quantities of orange in the bottles and there was _________oranges in the

baskets.    [ ]

A. were ; a number of            

B. was ; quantities of    

C. was ; a good many            

D. were ; a quantity of

铁路运输安全保障系统的受控客体不包括（）

A．运输安全直接影响因素

B．管理因素

C．人

D．机器环境