Which sentence from the article helps the reader to
understand that the results of the Oxford University
study are limited?
A
Scientists have many questions about how
video games affect mental health.
B
In the Oxford study, players gave the
scientists information about their emotions.
с
The researchers found that how much time a
person spent playing video games had a
small effect on their feelings of well-being.
D
For example, players who took part in the
study may have been playing games other
than Animal Crossing and Plants vs. Zombies.