肾盂肾炎时为（）

A.肉眼血尿

B.镜下血尿

C.白细胞每高倍视野大于5个

D.尾形上皮细胞

E.乳糜尿

Only after the woman had her own child ___ how difficult it was to be a mother.

A．she realized

B．had she realized

C．she had realized

D．did she realize