The coefficient of $$x^{70}$$ in $$x^2(1+x)^{98} + x^3(1+x)^{97} + x^4(1+x)^{96} + \ldots + x^{54}(1+x)^{46}$$ is $$^{99}C_p - ^{46}C_q$$. Then a possible value of $$p + q$$ is :

A

$$55$$

B

$$83$$

C

$$61$$

D

$$68$$