It was raining heavily. Little Mary felt cold, so she stood ___to her mother.

A．close

B．closely

C．closed

D．closing

成骨不全症需与下列各病进行鉴别诊断，应除外哪一种()

A．软骨发育不全症

B．干骺发育不良症

C．维生素C缺乏症

D．脆骨症

E．维生素D缺乏病