Beatrice works at a power tool distributor company. Most of her colleagues are men. Several of her coworkers hang calendars of partially nude women around the warehouse. The supervisor finally asks everyone to remove such materials permanently. The most likely reason behind this step taken by the supervisor is that:

A) this practice contributes to creating a hostile environment.

B) this practice increases the need for affirmative action.

C) this practice reduces the occurrence of glass ceiling.

D) this practice restricts the employees from practicing ethnocentrism.

E) this practice reduces the risk of groupthink.