小量血胸,X线片仅见肋膈脚消失,积血不超过膈顶平面,出血量不大于()。
A.300ml
B.400ml
C.500ml
D.600ml
E.700ml
参考答案:C
Seldom ____ as lonely as now, though I have been living in this house for more than 20 years.
A have I felt B I have felt C I had felt D had I felt