Child psychologist: Some studies in which children have been observed before and after playing video games with violent content have shown that young children tend to behave more aggressively immediately after playing the games. This suggests that the violence in such video games leads young children to believe that aggressive behavior is acceptable.

Question: Each of the following, if true, strengthens the child psychologist's argument EXCEPT:
Options:
A. Young children tend to be more accepting of aggressive behavior in others immediately after playing video games with violent content.
B. Many young children who have never played video games with violent content believe that aggressive behavior is acceptable.
C. Other studies have shown no increase in aggressive behavior in young children who have just played nonviolent video games.
D. Older children are less likely before playing video games with violent content than they are afterwards to believe that aggressive behavior is acceptable.
E. Young children tend to behave more aggressively immediately after being told that aggressive behavior is acceptable than they did beforehand.
Answer: "B"