Answer:
The correct answer is option A, that is, understanding with the help from a peer.
Step-by-step explanation:
The zone of proximal development refers to an array of capabilities a learner can attain with someone's help and what the learner can attain without any assistance. A person's potential development as predicted by his or her independent problem-solving tendencies in comparison to the problem solving under the supervision of a peer will highlight the zone of proximal development of that individual. The zone of proximal development signifies towards the difference between what is known by the learner and what the learner possesses the tendency of comprehending with the help from a peer.