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.

Read this excerpt from wheels of change by sue macy.that said, it's hard to grasp the full extent of the bicycle's impact on americans in the late 19th century—particularly female americans. imagine a population imprisoned by their very clothing; the stiff corsets, heavy skirts, and voluminous petticoats that made it difficult to take a deep breath, let alone exercise. add to that the laws and social conventions that cemented a man's place as head of the household and holder of the purse strings. how suffocated women must have felt. and how liberated they must have been as they pedaled their wheels toward new horizons.what is the central idea of the excerpt

“third, all reviewers have a bias – no matter how impartial they try to be, opinions on movies are just that: opinions. this isn’t necessarily a bad thing: if you read a review by a critic that you know prefers foreign films, you know how seriously you should take his scathing critique of ironman.” according to this passage, all reviewers a. prefer foreign films c. have bias b. hated the movie ironman d. refuse to watch popular films

If chopin were your music teacher, what techniques would he probably expect you to develop and practice? use details and information from the passage to explain your answer.