Ok, so I'm going to try my best to answer this.
My best guess would be how he said that he was able to see his answer through whoever he is talking to, then lose it again. He understood and got something, then lost it's understanding. I sincerely hope this helps.. I'm sorry I'm not very good at explaining. ^^;
Answer:
I think the answer is A sparse
2, because the rest indicate some sort of fighting or conflict
Answer:
the Cornell Note Taking method discourages the use of long sentences.
Thus is a nice way for students to record notes and keywords or headings during a reading or a lecture and then return to them later to review and summarize at the bottom of the page