The student wants to explain what a quenched galaxy is. Which choice most effectively uses relevant information from the notes to accomplish this goal?
a) "A quenched galaxy is one that has stopped forming stars due to a lack of gas supply."
b) "A quenched galaxy is a type of galaxy located in the Virgo Supercluster."
c) "A quenched galaxy is characterized by its high rate of star formation and young stellar population."
d) "A quenched galaxy is a galaxy that has undergone a recent collision with another galaxy."