Which of the Following Are Valid Preventative Precautions to Minimize

Which of the following are valid preventative precautions to minimize a company's liability for sexual harassment by supervisors under Title VII?​

A) Maintaining a well-publicized complaint-reporting system which employees trust
B) Conducting neutral, confidential, investigative procedures in response to complaints.
C) Providing regularly scheduled seminars at which employees are trained in what is inappropriate conduct.
D) All of the above
E) None of the above. If a supervisor sexually harasses a subordinate, the employer is strictly liable.