Answer:
с
The researchers found that how much time a
person spent playing video games had a
small effect on their feelings of well-being.
Step-by-step explanation:
The above statement helps the reader to know that, in the given article, the Oxford University study relating to how video games and mental health are related to each other are limited despite the attempt to find the connection among them.
Efforts were made to answer the questions that was thrown up by the research but there still remain areas that were never answered thereby showing the study to be limited.