If All Major League Baseball Pitchers Were to Learn a New,highly

Multiple Choice

If all major league baseball pitchers were to learn a new,highly effective pitch called the "slipper," this would

A) leave the earned run average of pitchers unchanged but alter the rankings.
B) raise batting averages.
C) increase fan attendance.
D) lower the earned run average of pitchers,but leave the rankings unchanged.
E) increase the number of home runs.