challenge: What criteria must players meet to be eligible for the National Women's Soccer League Rookie of the Month award?
  
  A. Having won a previous Rookie of the Month award in another league
  B. Being a veteran player with extensive experience in the NWSL
  C. Participating in their first season as a professional in the NWSL
  D. Having played for at least two seasons in the NWSL
  Answer: 