Why are parentheses, rather than dashes or commas, used in this sentence?

a. parentheses are being used because they set off longer, less-related parenthetical asides.

b. parentheses are being used because they are setting off an aside that already contains commas.

c. parentheses are being used because they are providing background or additional information

d. parentheses are being used to set off brief, closely-related parenthetical asides

Which option best characterizes the pardon-seller?

Which literary device has emily dickinson used in these lines? how dreary to be somebody! how public, like a frog to tell your name the livelong day to an admiring bog! metaphor alliteration simile allusion

Consider the title and souce of the following articles. which one is most likely to exhibit a bias? (a) how to roast beef," by the food editor of a magazine (b) americans experiencing greater fatigue than previous generations, " by a harvard researcher (c) "americans' worsening eyesight not related to computer screen usage," by the public relations director of a major computer manufacturer (d) "sharing the burden: a history of cooperation," by a college professor