challenge: Why did Vikram keep his involvement in En Kadhal Kanmani (1990) a secret from director C. V. Sridhar?
  
  A. Because Sridhar only wanted to cast debutant actors
  B. Because Vikram wanted to surprise Sridhar with his acting skills
  C. Because Sridhar only wanted to cast experienced actors
  D. Because Vikram was not confident in his acting abilities
  Answer: 