It changes over time because we grow up like for example your 10 years old and you like playing with barbies then your 18 years old then we don’t like playing with barbies anymore because we discover different things and we like it because time can change our wanting and likes hope it helps :)
C. Tone
This is because the word Tone can show the general character or attitude of a place,piece of writing,situation, etc.
Present is your answer.
I hope this helped!