B. Drove
You ask the question of a prepositional phrase "How did we drive?" And that leads you to see that you drove without a break.
D) It may be inferred and refers to the overarching main point found throughout the text
The right answer for the question that is being asked and shown above is that: "vintage computers." The topic that is narrow enough to be the subject of a descriptive essay is the idea of <span>vintage computers. It is very narrow that it talks about the specifics.</span>