In the following question find out the alternative which will replace the question mark.Carbon : Diamond :: Corundum : ?

In the following question find out the alternative which will replace

1.	In the following question find out the alternative which will replace the question mark.Carbon : Diamond :: Corundum : ?
A.	Garnet
B.	Ruby
C.	Pukhraj
D.	Pearl
Answer» C. Pukhraj