— Who do you think should answer for Li Tianyi’s behavior?

— Actually, I think it is their parents_________.

A．who are blamed

B．that are to blame

C．which are to blame

D．what are blamed

—Look, Peter is swimming in the river!

—Oh, he _______ a fish.         [ ]

A. is liking    

B. look like   

C. likes      

D. is like