Which of the Following Is True Regarding Whether an Employer

Which of the following is true regarding whether an employer may be held liable under Title VII for harassment of an employee by a nonemployee?

A) An employer cannot be held liable in such cases because the employer has no control over the nonemployee.
B) An employer is liable as a matter of law in such cases because an employer has an absolute duty to provide a work environment that is free of harassment.
C) An employer may be held liable in such cases if the employer knows that a customer repeatedly harasses an employee, yet the employer does nothing to remedy the situation.
D) An employer may only be held liable in such cases if quid pro quo harassment is involved.
E) An employer may only be held liable in such cases if disparate-impact harassment is involved.