Larry asks Bill and Peter to go on a picnic with him, but          of them wants to,because they have work

to do. [      ]

A. either          

B. any            

C. neither        

D none

消防呼吸器的静止报警器是指当进入火场的消防人员因烟熏、窒息、中毒或被撞击等而昏迷时，从人体基本静止起()即发生报警音响信号。

（A）10s 

（B）8s 

（C）6s 

（D）4s