单项选择题
A.that
B.which
C.what
D.where
单项选择题 （）a person be breathing but not conscious，it is usually best if he or she not（）moved．
单项选择题 The rapid growing population is one of the major problems（）the world．We must keep the number of people（）growing so fast in order to let our sons and grandsons live a better life．
单项选择题 The（）woman was（）to hospital by an ambulance．