Which is true of social mobility in a caste system?

A) Social mobility is common with hard work.
B) A great deal of social mobility occurs.
C) A small part of each generation will experience upward social mobility.
D) There is virtually no chance of social mobility.

Joshua is transferred to an office located on the tenth floor of a building. The problem is that he fears heights so much that he never goes above the third floor in any building. His therapist teaches him to relax deeply while imagining himself looking out over a balcony. As therapy progresses, Joshua imagines himself on higher and higher floors. This technique is called:

A) systematic desensitization.
B) rational-emotive behavioral therapy.
C) flooding.
D) transference.