It can be inferred from the text that ______. A．a suboptimal decision originates from negative information B．an optimal decision primarily results from positive information C．negative information is less beneficial than positive information D．both positive and negative information is needed for decision making
A. A．a B.an C.negative D.both
【参考答案】
D 根据第一段，做决定时，不仅要考虑“positiveinformation”，而且要考虑“negativein......