On July 5, 1852, Douglass gave a speech at an event commemorating the signing of the Declaration of Independence, held at Rochester's Corinthian Hall. It was biting oratory, in which the speaker told his audience, "This Fourth of July is yours, not mine. You may rejoice, I must mourn."
I would say it's A, C, and D. I've never seen a text where a heading is used to show how long each part is, but the rest seem about right.
He kept lying about Mrs.Dodds and when he did he hesitated.