下列建设工程规划管理程序图中，哪个环节中的内容有误（）
A.A
B.B
C.C
D.D
参考答案：B
A first-grade teacher use ten flash cards, numbered 1 through 10, to teach her students to order numbers correctly. She has students choose four flash cards randomly, then arrange the cards in ascending order. One day, she removes the cards numbered "2" and "4" from the deck of flash cards. On that day, how many different correct arrangements of four randomly selected cards are possible ？（）
A.70
B.210
C.336
D.840
E.1，680
在肝细胞浆中与胆红素结合的载体蛋白是
