Which of the following is least accurate regarding obstacles to the efficient allocation of resources in a competitive market（）

A. Taxes and trade restrictions impede the efficient allocation of resources.

B. Quotas result in production of less than the efficient quantity of the good.

C. Public goods, such as national defense, tend to be overproduced because they can be consumed by everyone whether they pay for the goods or not.

依次填入下列横线处的词句，最恰当的一组是  [ ]

①无论治学，还是工作，都需要掌握客观规律，有一定条件的支持，才能成功，正如朱熹诗所言：“___________。”

②国家发展改革委宣布从1月15日起启动临时价格___________措施，主要涉及粮食、食用植物油、肉类及其制品、牛奶、鸡蛋、液化石油气等。

③在这部新作里，他对几个人物的描摹和刻画真是___________，细致入微，使读者产生了具体、真切的印象和感受。

A．向来枉费推移力，此日中流自在行  干预  绘声绘色

B．问渠哪得清如许？为有源头活水来  干涉  有声有色

C．向来枉费推移力，此日中流自在行  干涉  绘声绘色

D．问渠哪得清如许？为有源头活水来  干预  有声有色