C. During his study at college, Isaak ... 1) became even more interested in science. 2) lost his interest in science. 3) published his scientific book.

В тексте сказано: "As Isaac grew older, he attended the University of Cambridge, where his passion for physics and science grew bigger. During his time at college, he studied deeper the works of great thinkers..." Это значит, что во время учебы в колледже Исаак еще больше заинтересовался наукой. Ответ: 1