The answer is B) They are always focused on a main idea.
Paragraphs are not always indented; it depends on the writing format. They vary in length from short to long. They do not always have a topic sentence; some writers organize their thoughts and paragraphs well without topic sentences.
Hope this helps! :)
The whole reason of your essay is to generate support on an issue, you must back it with quality evidence that does not make you seem biased!! make sure to choose a side that is easiest to argue, even if you do not agree with it.
I think so. No bs B seems right.