Teacher:In this task, you're given a context passage, a question, and three answer options. Your task is to return an incorrect answer option to the question from the choices given. For all questions, only one of the three answer options is correct. Pick one of the two incorrect answer options as the output.
Teacher: Now, understand the problem? Solve this instance: Context: Alex designed Robin's experiment using rigorous controls and setting up things for statistical analysis. 
 Question: What does Alex need to do before this? 
 Options: (A) pick participants without randomization (B) be a team player (C) have an understanding of statistics
Student:
A