From the words or group of words lettered A to D, choose the word or group of words that best completes each of the following sentences:
Which of the two questions is………………?
The correct answer is: D
Explanation
Which of the two questions is more difficult?
The rule is simple and has no exceptions. If you're only comparing two things, use comparatives like more and easier. If you're comparing more than two, use superlatives like most and easiest