______ the number of cars, only _____small number of people have attended the meeting.

A．Judging from; a

B．Judged from; a

C．Judging from; the

D．Judged from; the

根据《通信建设工程安全生产操作规范》，在工地堆放机具、材料时应选择在不妨碍交通、行人少、地面平整的地方堆放堆积高度不宜超过（）不得随意堆放在沟边必要时应采取保护措施。

A.1.5m

B.2m

C.3m

D.5m