Which sentence contains a faulty parallel structure?

a) i recommend that you take a few additional courses and that you work on a theoretical project.

b) i suggest that you take a few additional courses and working on a theoretical project.

c) i support your taking a few additional courses and working on a theoretical project.

d) i want you to take a few additional courses and to work on a theoretical project.

b. the colonies must seek protection from other nations.

the correct answer is d. in john paston's letter written friday, 14, 1476, he expresses his fear that he may have to go to war.

indeed, although the black death was ravaging europe, the pastons were relatively safe from it due to their social status as they were part of the landed gentry. it is clear that the vast majority of the victims of the pandemic were the poor. the reason why he is weary of having to go to war is because at the particular time england was also devastated by the war of the roses and paston, being a courtesan was inevitably involved.