He decided to repair the thing himself and not to take it back to the shop.
A.He decided to have the thing repaired and not to take it back to the shop.
B.He took the thing back to the shop because he wanted to have it repaired.
C.He decided to repair the thing himself as he couldn’t take it back to the shop.
D.Rather than taking it back to the shop, he decided to repair the thing himself.