The boy _______ his father very much. [ ]

A. look like

B. looks like

C. is likes

D. is liking

脊椎动物的演化顺序是（）。

A.鱼纲→两栖纲→爬行纲→鸟纲→哺乳纲

B.鱼纲→爬行纲→两栖纲→鸟纲→哺乳纲

C.鱼纲→爬行纲→鸟纲→两栖纲→哺乳纲

D.两栖纲→鱼纲→爬行纲→鸟纲→哺乳纲