---Here’s a new pair of shoes for you.

---Thank you, but there’s no need ______ a new pair for me.  

1. A.
   to have bought
2. B.
   buying
3. C.
   to buy
4. D.
   to be buying

---Here’s a new pair of shoes for you.

----Thank you, but there’s no need ______ a new pair for me.

A. to have bought     B. to buy     C. buying   D. to be buying

 --Here’s a new pair of shoes for you.

 --Thank you, but there’s no need ________ a new pair for me.

[　　]

 --Here’s a new pair of shoes for you.

 --Thank you, but there’s no need ________ a new pair for me.

[　　]

---Here's a new pair of shoes for you.

　　----Thank you, but there's no need ______ a new pair for me.

　　A. to have bought     　B. to buy     　　C. buying   　　D. to be buying