In the eyes of the author, conventional opinion on conflict is______.

A．the advantages and disadvantages of conflict
B．the real value of ocnflict
C．the difficulty in determining the optimal level of conflict
D．the complexity of defining the roles of conflict

A．It may lead to the over-consumption of vitamins.
B．People may be induced to eat more than is necessary.
C．The function of the intestines may be weakened.
D．It may rigger a new wave of fake food production.