An article in a psychology journal claims that young students who play a musical instrument tend to have higher test scores on state math exams.
A
Playing a musical instrument causes a student to become better at solving math problems.B
Students who do not play musical instruments do not have high scores on state math exams.C
Students who have high math scores should be encouraged to play a musical instrument so they become proficient with music as well.D
Students who play a musical instrument tend to excel in other skills, which may explain their higher math scores.