A: Look! What beautiful pictures of flowers they are! ____
B: No, they are not mine.
A: ____
B: They are my father's.
A: Good job! Your father is a great man.
下列甲乙丙三位同学关于中国古代百家争鸣的表述正确的是 ( )
下列生物不能进行光合作用的是( )