I can't go home now because I forgot _____ umbrella _____ me.[ ]

A. to bring; to  

B. bringing; to      

C. to take; with    

D. taking; with

关于妊娠期钙、铁代谢，错误的是

A．胎儿骨骼发育和胎盘形成需要大量的铁

B．胎儿钙主要在孕末期积累

C．近足月胎儿体内含钙约25g

D．妊娠期孕妇铁储备不足，易发生缺铁性贫血

E．母体缺铁时，胎儿血中铁浓度低于母血