Propaganda Techniques are methods and approaches used to spread ideas that further a cause-- a political, commercial, religious, or civil cause. The correct answer is option B. Propaganda techniques include the following: Bandwagon, Snob appeal, vague and undefined terms, loaded words, transfer, and unreliable testimonial.
D. The attitude or mood of a story
People seem to think that the pyramid workers were slaves, which is ridiculous and untrue.
The tone of the original passage is formal. It could be in a trusted, reliable source on Egyptians. The answer has an informal tone. It uses the words "ridiculous" and "untrue". These opinion words make the sentence of opinion not a statement of fact. The original sentence is a statement of fact.