A subjunctive mood is when someone expresses a condition that is not factual or is ambiguous or doubtful. Thus, the answer is letter B. The speaker stresses out that if someone was taller which is not true because the one he is referring to is not tall.
Answer: The Old Man and the Sea tells the story of a battle between an aging, experienced fisherman, Santiago, and a large marlin. He is so unlucky that his young apprentice, Manolin, has been forbidden by his parents to sail with him and has been told instead to fish with successful fishermen.
Explanation: