June is interested in looking at whether social media use predicts feelings of loneliness and found there was a positive relationship between the two variables. However, she finds that after controlling for the amount of time a person spends with friends per week, social media use was no longer associated with feelings of loneliness. Which of the following is the correct interpretation of this finding?

A. The amount of time spent with friends is not associated with social media use.
B. The beta for amount of time spent with friends is significant.
C. The amount of time spent with friends is a third-variable problem.
D. The amount of time spent with friends predicts social media use.