You Want to Insert Your Favorite Gene,which Has Been Digested

Multiple Choice

You want to insert your favorite gene,which has been digested with Ncol endonuclease on both ends,into a vector.Ncol recognizes the DNA sequence C*CATGG.The vector you want to use contains many endonuclease recognition sites,but does not include an Ncol site.Which restriction endonuclease would be the most suitable replacement to digest the vector?

A) Sphl - G*CATGC
B) Sunl - C*GTACG
C) Kpnl - GGTAC*C
D) CViAll - C*ATG