-What Did John Brown's Raised Right Hand in This Daguerreotype

-What did John Brown's raised right hand in this daguerreotype taken by black photographer Augustus Washington indicate?

A) Brown pledged to destroy slavery in the United States.
B) The five fingers on his hand represented his support for the five different parts of the Compromise of 1850.
C) Brown was being sworn in as an antislavery member of the state legislature in Kansas.
D) Brown was showing how many proslavery settlers he killed at Pottawatomie Creek, Kansas.