I recently had this lesson and quiz, even though you didn't provide the answers, i'll answer it with the answer that I found was correct.
A) It was a breakthrough in his research.
Hope this helps!~
Well,yeah i guess it does matter.
because those course you take will develop your skills and abilities and knowledge.So for example :- if you want to do a science related degree,so your course should also be of science.so that you get better understanding and help while doing your degree.
