Which abnormal laboratory value is most indicative of aplastic anemia()

A. A decreased hemoglobin.

B. An elevated white blood cell count.

C. An elevated red blood cell count.

D. A decreased erythrocyte sedimentation rate.

监理单位在以下哪种情形下可以不更换监理人员（）。

A.有过失行为的，

B.有违法行为不能履行职责的，

C.不能胜任岗位职责的，

D.严重违反职业道德的