Well, this answer can be many things! I would say "When you read carefully in order to determine the meaning of a challenging word, you are 'using context clues'", perhaps? Maybe not...how about "...using prior knowledge"? Since you didn't offer any alternative answers, or list any answers, I can only guess. I hope I helped you a little bit!
I feel you it’s hard to find friends especially good ones these days sometimes I wish I didn’t do online school so I could have them but you get used to it once in awhile