What are the instructions
A good topic sentence is very clear, focused on the topic, directly relates the thesis, summarizes the main points of that paragraph, and strongly supports a claim.
The correct answer is C: Logos.
In this passage, Wiesel gives a specific example of the cost of indifference. Specifically, thanks to the indifference of the United States, 1000 lives were needlessly lost when a ship was sent back to Nazi Germany.
Answer A can be eliminated because no question is being asked in the passage. Answer B can be eliminated because the exact number killed is mentioned but is not the focus of the passage. Finally, Answer D can be eliminated because he is not retelling a sad story about death.
The main idea of the passage is that the indifference of the US resulted in the deaths of those aboard the St. Louis.
To get it started, see picture:
The third one is the one that uses capitalization properly