建立数学模型必须知道系统的内部结构（ ）（判断1 分）

from Prgrph 4 thtppleerns the biggest prt of profits from iPhone. B．hslwys been the biggest winner in smrt phone field. C．hs just become the world’s lrgest compny in size. D．defeted Exxon Mobil in the court.A．earns the biggest part of profits from iPhoneB．has always been the biggest winner in smart phone fielDC．has just become the world’s largest company in sizeD．defeated Exxon Mobil in the court．

A、释迦牟尼
B、孔子
C、圣诞老人
D、基督耶稣