Answer:
B The study demonstrates that etc.
Step-by-step explanation:
C might be right but we don´t have information that connects risky behavior with large or small rewards.
D I wonder what role distractions could play in a study that apparently focuses on rewards.
So, B turns out to be most likely the answer that best supports the answer to part A because of attention drawn to rewarding (10- or 2- cent) information.