When and where to build the new school ______.[ ]

A.is not decided

B.are not decided

C.has not decided

D.have not decided

CO中毒救护不正确的是（）。

A.立即将中毒者转移到空气新鲜的地方，注意保暖

B.对呼吸衰弱者立即进行人工呼吸或输氧

C.发生循环衰竭者可注射强心剂

D.立即给中毒者洗胃