Which of the following is an example of indirect discrimination?

Which of the following may amount to sexual harassment implied or explicit promise of preferential treatment in her employment?

Question $3$Answer

a$.$

All the above

b$.$

Humiliating treatment likely to affect her health or safety

c$.$

Implied or explicit threat of detrimental treatment in her employment

d$.$

Implied or explicit promise of preferential treatment in her employment