推行郡县制有利于巩固秦的统一，因为这一制度（）

A.能有效防止皇帝的专权

B.利于中央机构的相互监督

C.加强了中央对地方的管辖

D.消除了地方贵族势力

With hundreds of millions of electronic (11)taking place daily, businesses and organizations have a p incentive to protect the. (12) of the data exchanged in this manner, and to positively ensure the (13) of those involved in the transactions. This has led to an industry-wide quest for better, more secure methods for controlling IT operations,and for deploying p security mechanisms deeply and broadly throughout networked infrastructures and client devices. One of the more successful concepts to engage the imaginations of the security community has been the development of standards-based security(14) that can be incorporated in the hardware design of client computers. The principle of encapsulating core security capabilities in (15) and integrating security provisions at the deepest levels of the machine operation has significant benefits for both users and those responsible for securing IT operations.

空白处（15）应选择（）

A.software

B.form

C.computer

D.silicon