Either Legalizing Gay Marriage Will Be Beneficial for Society or It

Multiple Choice

Either legalizing gay marriage will be beneficial for society or it will tear society apart. Legalizing mixed race marriage did not tear society apart and if so, legalizing gay marriage won't tear society apart. So, legalizing gay marriage will benefit society.

A) B v T, M & (M $\rightarrow$ ~ T) , B; this argument is valid
B) B v T, M & (M $\rightarrow$ ~ T) , 11eea1b4_6a09_6652_aa9a_4b14a5b2d246_TB9802_11B; this argument is invalid
C) B v T, M $\rightarrow$ ~ T, 11eea1b4_6a09_6652_aa9a_4b14a5b2d246_TB9802_11 B; this argument is valid
D) B v T, M $\rightarrow$ ~ T, 11eea1b4_6a09_6652_aa9a_4b14a5b2d246_TB9802_11 B; this argument is invalid
E) none of the above