The information is not mentioned at all, even if it seems logically true in the real world.
However, the value of the answer key lies not in the "what," but in the "why." A correct answer (e.g., "B") tells a student they are right, but a high-quality answer key or teacher’s guide explains why "B" is correct and why "A," "C," and "D" are distractors (incorrect options designed to confuse). Els Reading Answer Key