运用元素周期表分析下列推断，其中错误的是

A．铍是一种轻金属，它的氧化物的水化物可能具有两性

B．单质砹是一种有色固体，砹化氢很不稳定，砹化银是有色难溶于水且感光性很强的固体

C．硫酸锶是难溶于水的白色固体

D．硒化氢是无色、有毒，比硫化氢更稳定的气体

While caring for a healthy neonate female, the nurse notices red stains on the diaper after the neonate voids. Which of the following should the nurse do（）

A．Call the physician to report the problem.

B．Encourage the mother to feed the neonate to decrease dehydration.

C．Check the neonate's urine for hematuria.

D．Do nothing because this is normal.