I ___ my son ___ a doctor, but he wasn’t good enough at science.

A．hoped; became

B．hoped; would become

C．had hoped; would become

D．had hoped; would have become

田某，孕37周，在做胎心监护时发现胎心率有减速发生，于子宫收缩高峰后出现，下降幅度<50次／分，持续时间长，恢复缓慢。

这种胎心监护图提示胎心为（）。

A.早期减速

B.变异减速

C.晚期减速

D.正常变异频率

E.异常变异频率