大便呈灰白色，往往提示为（）
A.溶血性黄疸
B.肝细胞性黄疸
C.梗阻性黄疸
D.胆囊结石
E.胆囊管结石
参考答案：C
母系遗传
. Common people always hold the view the experts say is right.
A．what that
B．that what
C．that
D．all which
