The correct answer is took a ferry ride.
The question is to make a parallel construction in this sentence. In order to do that, you need to use the same form of words. So, in the sentence above, all verbs are written in past simple form, which means that the verb which is missing has to have the same form.
This means you take time to really assess the situation without jumping to conclusions that could lead to further problems.
Neither. Dormant and recessive are not synonyms because their definitions are not similar, nor are they antonyms because they aren't opposites, either. Dormant means to sleep. Recessive refers to a trait that is usually masked by a dominant trait.
Hope that answered your question.