Try searching all of the words that you don't know, then write what it means down on a piece of paper. Reread the definitions, after that reread the article to see if you have a better understanding it. Also highlight the information that is difficult and challenging him, reread the sentences before and after that to see if you understand it.
I hope this helps. :)
It means that he had never been in love until he saw the beauty of the girl whom he fell for then
The answers are:
1)C
2)A
3)D
4)A
