Which of the Following Factors Does Not Control the Acquisition

Which of the following factors does not control the acquisition of the response in escape conditioning?

A) Faster conditioning of the response occurs when the aversive event is more intense.
B) Delaying the termination of the aversive event interferes with the performance of the escape response.
C) The asymptotic level of escape responding is raised when the intensity of the aversive event is increased.
D) Higher levels of escape responding are observed when the intensity of the aversive event is reduced.