正常足月新生儿的心率及血压的正常值分别大约为
A.90~160次/分,80/60mmHg
B.90~160次/分,70/50mmHg
C.100~150次/分,80/60mmHg
D.100~150次/分,70/50mmHg
E.100~150次/分,60/40mmHg
请帮忙给出正确答案和分析,谢谢!