—Have you ever seen a whale alive?   ----Yes,I’ve seen______.

A  that  B  it  C  such  D one

---- Have you ever seen a whale alive?            ---- Yes, I’ve seen ____.

A. that        B. it              C. such                D. one

—Have you ever seen a whale alive?

—Yes. I’ve seen ________.

[　　]

——　Have you ever seen a whale alive?

——　Yes, I’ve seen ＿＿＿.

A.that　　    B.it　　　C.such　　　    D.one

 ——　Have you ever seen a whale alive?

——　Yes, I’ve seen ＿＿＿.

A.that　　    B.it　　　C.such　　　    D.one