Which of these shows someone you’re listening? a. having the right expression on your face b. saying “uh-huh” occasionally c. telling a similar story of your own d. looking at the person while he or she is speaking

A. the Expression tells someone your listening. they can see it on your face. it will change with the information

Doulingo is good. you can also watch movies that are in french, i am using this tactic  for japanese  and it a lot. listing to music with  french  lyrics would work well too because  you could absorb  the words while having fun.hope this ! : )