challenge: Why did The Biograph Company ask Griffith to direct The Adventures of Dollie?
  
  A. Because Griffith was a well-known director in the industry
  B. Because Arvidson, the lead actress, requested Griffith as the director
  C. Because the company was planning to increase its output to two films per week
  D. Because the studio wanted to test Griffith's directing skills
  Answer: 