Buses were not able to go normally on the roads because of the heavy snow and more than

one student  _____ late for school that morning.  [ ]

A. have been

B. has been

C. were

D. was

37周足月儿，因母亲血清抗AIgG抗体滴度1：560而计划分娩出生。出生时一般情况好，无青紫窒息，纯母乳喂养，生后12小时即出现黄疸，其母孕期体健，前3胎中，第1胎为人工流产，第2、3胎在生后均因黄疸死亡。

最可能的诊断是（）

A.新生儿败血症

B.新生儿肝炎

C.新生儿溶血症

D.胆道闭锁

E.母乳性黄疸