Answer:
b). refusing to hire or fire someone after learning their religion.
Step-by-step explanation:
Religious discrimination -
Treating people of different religion and community differently , is referred to as religious discrimination .
The process of Religious discrimination , is observed , when a particular religion is given the preference over some other religion , like considering for a job , using public space etc .
Hence ,
from the given options , religious discrimination is observed in , b). refusing to hire or fire someone after learning their religion .