三国时与华佗、张仲景齐名的名医是（）
A.陈念祖
B.叶向高
C.陈第
D.董奉
参考答案：D
That hazy（雾霾）weather has hit 104 cities in middle-east China lately makes citizens well aware of
______a terrible problem China is faced with.
A．what
B．how
C．which
D．that
