Which Statement Is True About Black Abolitionists

Which statement is true about black abolitionists?

A) Many formerly enslaved people published accounts of their lives in bondage, which together convinced thousands of northerners of the immorality of slavery.
B) The American Anti-Slavery Society excluded black abolitionists entirely.
C) White abolitionists shared key decision-making posts equally with black abolitionists.
D) Black abolitionists celebrated the Fourth of July holiday in order to promote the idea that the United States represented the progress of freedom.
E) Black abolitionists were a small minority of the subscribers to William Lloyd Garrison's journal The Liberator.