A:①②
B:②④
C:③④
D:②③
Sometimes children are ____ young ____ they can't tell the bad from the good.
“年少从军不为苦,长戟短刀气如虎。男儿志在立功名,青海西头擒赞普”。诗中“赞普”是古代中国对某一少数民族首领的称呼,该少数民族就是今天的( )