This is a road with many______ turns, you must pay much attention to the walker.

A．game theory can be a very useful theoretical tool to the scientific researchers
B．human behavior can sometimes be governed by evolutionarily stable strategies
C．both the economics and science are founded on the rational human choice
D．only those conscious people will adjust their behavior along with the environment

A．the players in these two have three approaches
B．the study here was more complex and practical
C．the strategies of the behavioral types are multiple
D．the pay-offs players get are not the same