"Advertising goes down the street with us; it's on trains, planes, and buses.”
B is correct because all of the verbs are in the same tense.
Which novel? Tell me so I can edit my answer and help you
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A. Transportation planner Sarah Reidel believes that companies need to encourage employees to take alternate means of transportation, telecommute when possible, and work abbreviated schedules.
Parallel structure is when there is a consistent use of the same grammatical structure. This is especially important when writing a list. In the sentence, the author lists the three things companies can do to help with the transportation problem. The verb structure needs to be the same. Option A is the only choice that has a similar verb structure for encourage, telecommute and work. Other options vary the verb structure sometimes using verbs that end in -ing while others do not. These do not have parallel structure.
