[单选题] 我国《标准化法》.《产品质量认证条例》规定,对有( )的产品,企业可以申请产品质量认证。
A.国家标准和行业标准
B.地方标准和行业标准
C.地方标准和企业标准
D.国家标准和企业标准

In the eighteenth century, Japan’s feudal overlords, from the shogun to the humblest samurai, found themselves under financial stress. In part, this stress can be attributed to the overlords’ failure to adjust to a rapidly expanding economy, but the stress was also due to factors beyond the overlords’ control. Concentration of the samurai in castle towns had acted as a stimulus to trade. Commercial efficiency, in turn, had put temptations in the way of buyers. Since most samurai had been reduced to idleness by years of peace, encouraged to engage in scholarship and martial exercises or to perform administrative tasks that took little time, it is not surprising that their tastes and habits grew expensive. overlords’ income, despite the increase in rice production among their tenant farmers, failed to keep pace with their expenses. Although shortfalls in overloads’ income resulted almost as much from laxity among their tax collectors (the nearly inevit
A. The search of Japan’s Tokugawa shoguns for solvency.
B. The unfairness of the tax structure in eighteenth-century Japan.
C. The difficulty experienced by both individual samurai and the shogun himself in extricating themselves from debt.
D. The difficulty of increasing government income by other means.

下列各项中，属于《政府采购法》规定政府采购应当遵守的原则有（ ）。

A.公正原则

B.公开透明原则

C.公平竞争原则

D.诚实信用原则