If $$a_1 = 1$$ and $$a_{n+1} - 3a_n + 2 = 4n$$ for every positive integer n, then $$a_{100}$$ equals

A

$$3^{99} -200$$

B

$$3^{99} +200$$

C

$$3^{100} -200$$

D

$$3^{100} +200$$