Which of the following statements regarding whistle blowing are not true ？（）

A．It is a term used to define an employee's decision to disclose information on unethical, immoral or illegal actions at work to an authority figure.

B．An employee should always discuss the matter with people external to the company before following the "chain of command" and discuss it with the immediate superior.

C．The consequences of whistle blowing are often extreme and include possible being branded as having bad judgment, firing, civil action and imprisonment.

D．Carefully considered whistle blowing can lead to the end of unethical business practices.

患者，男，67岁，知识分子。医生以肺部肿物待查收入院。住院后，确诊为肺癌，但尚未告诉患者和家属。而患者告诉医生自己无儿无女，仅与66岁的老伴相依为命，如果是肺癌，不要将病情告诉他的老伴，免得她冠心病发作；如果手术，可以自己签字。医生此时怎样做在道德上最佳。

A．对患者家属保密，而对患者不保密

B．对患者家属不保密，对患者保密

C．对患者和家属都保密

D．对患者和家属都不保密

E．对患者不保密，但如何告知家属由患者决定