Seven brothers Subham, Sourav, Sehwag, Sachin, Sam, Shoaib, and Surya's have different ages. Subham is the eldest brother. Surya is older than only two brothers. Sourav is elder than Sam but younger than Shoaib. Sehwag is older than Sachin only. How many brothers are younger then Sourav?

A

2

B

3

C

5

D

4