Which sentence uses parentheses correctly? a) my computer (which apparently hates me) has frozen up again. b) david and jonathan (who used to be best friends now don't even speak anymore. c) (even though i'm not afraid of dogs) i don't think i'll ever warm up to them. d) pixar the greatest animation company in the world) is coming out with a new movie.

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