What are the roots of the Brachial Plexus?

What are the roots of the Brachial Plexus?

What are the roots of the Brachial Plexus? 





A. C6,C7,C8,T1,T2
B. C4,C5,C6,C7,C8
C. C5,C6,C7,C8,T1
D. C4,C5,C6,C7,T1






Answer: C