challenge: What is generally true about the performance of right-handed batters against left-handed pitchers?
  
  A. They tend to hit better against left-handed pitchers
  B. They tend to hit only curveballs better against left-handed pitchers
  C. They tend to hit worse against left-handed pitchers
  D. They tend to hit equally well against left-handed and right-handed pitchers
  Answer: 