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

C.
A dash is used to set off a relatively important aside in a way that grabs the reader's attention.