B. He loved literature and learning thanks to ... 1) his mother. 2) his siblings. 3) his father.

В тексте сказано: "His father, a priest, grew his son's love for literature and learning from an early age." Это означает, что любовь к литературе и учебе Льюису привил его отец. Правильный ответ: **3) his father.**