in which case should you use a hyphen instead of a dash? a. to combine words. b. to join related thoughts. c. to indicate that speech has been interupted. d. to place extra emphasis on words inserted into a sentence,
I believe that the guy who wrote the other answer is wrong. I believe it is a. This is a dash: "Well, what happened was-" Batman began. This is a hyphen: non-hyphenated. See how non-hyphenated combines words?