--- _____ ! The bus is coming.

--- Oh, no. It’s too dangerous to cross the street now.

A．Cheer up

B．Good luck

C．Be careful

D．Hurry up

个体或群体重复获得相同奖赏或次数越多，则该奖赏对个体的价值越小，指的是（）。

A.成功命题

B.刺激命题

C.价值命题

D.剥夺与满足命题

E.侵犯与赞同命题