In Order to Determine What Role the Experiential System and Automatic

In order to determine what role the experiential system and automatic behaviors might play in a given process,researchers have used which of the following methods?

A) asking people explicitly how they feel about the process at a deep level
B) studying the process while the cognitive system is "blocked"-for example by asking participants to simultaneously memorize a long list of numbers
C) giving participants arousal-inducing drugs without telling them that they have done so,and then observing how they react to the process
D) asking participants to look at visual illusions and arrays,such as figure-and-ground images,after they have completed the process