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
I agree with what you answered
Because it's apart of their History.
It is an embryo because a zygote is just a cell and it turns into a fetus after 8 weeks