The answer is : B. How conditioning determines behavior
Gestalt psychology study how human mindset affecting that human as a whole.
Gestalt psychologist believe that someone who condition themselves with positives mindsets, will generate positive behaviors in overall aspect of their lives. That's why option B. is the most suitable answer
If you are a Gestalt psycologist, you will be most interested in (The relationship context of perception.) I took the test the other answer isn't correct.
I don't get much homework but in my opinion, I don't think we should be given homework or much. A little tap of homework may help you understand better but too much can take away your free time.