Answer: B)mockery and insults
Explanation: Mockery is the act of making fun or ridiculing someone and insult is the way of offending and dishonoring a person. The situation with Mary in her workplace describes about her being subjected to insult and mockery by co-workers as they make negative comments to ridicule her regarding her appearance.
Other options are incorrect because discriminatory policy carries prejudices and biasing. Intimidation is making a person terrified and exclusion is act of debarring someone.Thus, the correct option is option(B).