Aids is a (global) problem​

Read these sentences from "the yellow wallpaper." the color is repellent, almost revolting; a smouldering unclean yellow, strangely faded by the slow-turning sunlight. it is dull yet lurid orange in some places, a sickly sulphur tint to others. what tone does the author create with the word choice? o a. beautiful o b. disgusted o c. happy o d. silly

What is the best revision of this statement from the body of a cover letter?

Which sentence best contrasts two things? a. air travel, like bus travel, is a fun way to get from one place to another. b. air travel is a fun and relatively easy way to get from place to place. c. both bus travel and air travel require substantial planning. d. air travel is much more expensive than bus travel.