________，the wind died down and people began to appear on the street.[ ]

A．A little bit  

B．Not a little

C．A bit less  

D．Little by little

严禁负责（）的监护人员擅离岗位，违者给予行政处分并离岗培训；造成后果的，予以开除并解除劳动合同。

A.放射源

B.火工器材

C.井控坐岗

D.以上三项