下列对青蛙生长发育特点描述正确的是（ ）
A：雌雄同体，体内受精，体内发育
B：雌雄同体，体外受精，体外发育
C：雌雄异体，体外受精，水中发育
D：雌雄同体，体外受精，水中发育
Amy：Who's that ____ (bay boy)?
Chen Jie: He's ____ (me my) brother.
Amy: Is she ____ (you your) mother?
Chen Jie: Yes , ____ (She she ) is.
Amy: Is he ____ (you your) father?
Chen Jie: No, he isn't. ____ (he's He's ) my teacher!
人体血液的组成是（ ）
下面搭配不正确的一项是( )。
