The option that best describes the central idea of Sojourner Truth's "Ain't I a Woman is that Women are just as capable as men and deserve equal rights.
Option A is correct.
Sojourner Truth, whose real name was Isabella Bomefree, then Baumfree, was a black woman who was born into slavery, and later turnt into a prominent author, and social activist.
Ain't I a Woman? is a speech she delivered in 1851, at the Women's Convention, Akron, Ohio.