&nBsp;男性，35岁，半年来逐渐贫血&nBsp;
&nBsp;
A．骨髓穿刺&nBsp;
B．血清铁&nBsp;
C．尿含铁血黄素&nBsp;
D．抗人球蛋白试验&nBsp;
E．酸化血清溶血试验&nBsp;