What best explains why you should use transitions when writing an argument? a.transitions engage and interest the reader in the argument’s subject matter. b. transitions clarify the central argument for the reader. c. transitions the reader understand how the ideas in the argument are connected. d. transitions make reading an argument smoother and more enjoyable.

The answer is C: Transitions help the reader understand how the ideas in the argument are connected.

Transition words are a part of speech that provide a connection between ideas, sentences and paragraphs. These words are very imortant because  besides preventing the reader from getting lost, by unifying disconnected pieces of ideas, they can also introduce contrast, emphasis, purpose, or result etc in the argument. They are a great help for a better flowing of a piece of writing.