C. It puts emphasis on the paragraph's main proposal and call to action.
The following are context clues phrases in the passage examples and syntax
Discrimination based on the inherent requirement of a particular job. Compulsory discrimination by law; and. Discrimination based on productivity.
OR
The discrimination which is based on affirmative action, inherent requirement of a particular job, productivity and compulsory discrimination by law are termed as fair discrimination with regard to employment or job