一道英语完型填空,求说明理由,为什么要选这个

一道英语完型填空,求说明理由,为什么要选这个
In one sense,the effect of a consumer’s mood can be thought of in much the same way as can our reactions to the behavior of our friends—when our friends are happy and “up”,that tends to influence us positively,but when they are “down”,that can have a negative impact on us.Similarly,consumers operating under a 76 mood state tend to react to stimulate in a direction consistent with that mood state.76.A）given B）granted C）fixed D）driven