A p corporate code of ethics is vitally important. Which of the following statements concerning a firm’s code of ethics is least likely accurate（）

A. As part of investor review of the firm’s ethical climate, investors should determine whether the firm gives the board access to relevant corporate information in a timely manner.

B. A firm’s code of ethics sets standards for ethical conduct based on basic principles of integrity, trust and honesty.

C. A firm’s code of ethics should require clear disclosure of any advantages given to the firm’s insiders that are not also offered to shareholders.

JWK经济型数控机床通过编程指令可实现的功能有( )。

A．直线插补

B．圆弧插补

C．程序循环

D．以上都是