Which One of the Following Is the Best Example of Adaptive

Which one of the following is the best example of adaptive testing as the textbook describes it?

A) Marvin takes an ability test on a computer.The specific questions that the computer gives him depend on how well he has answered previous questions.
B) A school psychologist asks Darrell a series of questions that assess his knowledge of social skills and his interpretation of various social situations.
C) A teacher gives different tests to different students, depending on their specific skill levels.
D) When giving a final exam, a high school teacher makes special accommodations for a student with a learning disability.