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________ are English books. They are over there.

[　　]

________ are English books. They are over there.

[　　]

-________ ?

-It's a cat.

[　　]

-________ ?

-It's a cat.

[　　]

-- How much are         socks?

--         5 Yuan．

A．this; It's            B．that; This is        C．these; These are      D．those; They are