Lat S={1,2,3,...,9}. For = 1, 2, … ,5, let $$N_{k}$$ be the number of subsets of S, each containing five elements out of which exactly k are odd, Then $$N_{1}+N_{2}+N_{3}+N_{4}+N_{5}=$$

A

210

B

252

C

125

D

126