From the words lettered A to D choose the word or group of words that best completes the sentence. There was a lot of tension in the area and it was felt th...

From the words lettered A to D choose the word or group of words that best completes the sentence.
There was a lot of tension in the area and it was felt that a dispute might flare ... anytime.

Answer Details

The correct option is "up". "Flare up" is a phrasal verb that means to suddenly become more intense or start to happen. In this sentence, the phrase "flare up" suggests that a dispute might suddenly become more intense and violent at any time.