Given below are two statements :

Statement I: The rate of $$S_{N}1$$ reaction depends on both the carbon skeleton and the nucleophile.

Statement II: The rate of $$S_{N}2$$ reaction depends on the carbon skeleton, the leaving group and the nucleophile.

In the light of the above statements, choose the correct answer from the options given below :

A

Both Statement I and Statement II are true.

B

Both Statement I and Statement II are false.

C

Statement I is true but Statement II is false.

D

Statement I is false but Statement II is true.