Question

When working with additional information in a sentence, when should dashes be used instead of commas or parentheses? A. A dash is always used when renaming a noun. B. A dash is used to continue the flow of a complex sentence. C. A dash is used to set off a relatively important aside in a way that grabs the reader's attention. D. A dash is used in formal writing to set off less important background information.

Answer 1

When working with additional information in a sentence, dashes can used instead of commas or parentheses to set off less important background information in formal writing. The answer is option D. According to the rule in using dashes, information or phrases within the dashes are not mainly part of the subject.