5岁患儿，无明显诱因出现左髋疼痛伴有跛行3个月，X线检查显示左侧股骨头干骺端和骺板交界处出现囊变表现，骨骺扁平，诊断考虑为（）。

A.发育性髋关节异常

B.髋关节结核

C.髋关节滑膜炎

D.股骨头缺血性坏死

E.以上都不是

Looking at my mother's ___________ face, I regretted not having told her my whereabouts on the phone.

A．worrying

B．worried

C．anxioused

D．satisfied