根据博弈论的分析，“囚徒困境”中的两个囚徒的优势战略是（）。
A.一方交代，另一方不交代
B.双方都不交代
C.双方都交代
D.双方沟通
参考答案：C
—"How soon will Mrs. Black come back?"
—" _____." [ ]
A. For two hours
B. Twice a week
C. In two hours
D. After two hours
Why are you so anxious? It isn't your problem _____. [ ]
A. on purpose
B. in all
C. on time
D. after all
