第6题: [单项选择]It can be inferred from the text that if optimism were adopted, ______. A. no serious problems would arise in society B. anything could be done wit ease C. some social problems could more possibly be solved D. people would succeed in getting over all the obstacles 参考答案:C 答案解析:由Faultfinding expends so much negative energy that nothing is left over for positive action可知解决影响社会的
