A critical corporate governance issue is ensuring that the board and its members have the requisite experienced needed to properly govern the firm for the shareholders’ benefit. When considering board member qualifications, investors and shareholders should consider whether board members can act with care and competence as a result of their experience with all of the following EXCEPT :（）

A. technologies, products, services which the firm offers.

B. the competitive landscape the firm faces.

C. strategies and planning.

下列选项中，要实行强制检定的有（）。

A、部门和企业、事业单位使用的最高计量标准器具

B、生产过程中非关键部位用于监测的计量器具

C、有效期管理的标准物质

D、对计量数据无准确度要求的指示用计量器具