Select the option that can be used as a one-word substitute for the highlighted group of words.
The workers received a sum for the services they rendered.

Correct option is C

The correct one-word substitute for the given group of words is ‘remuneration’.
· Remuneration: A sum of money paid for services or work done (पारिश्रमिक). It fits well as the workers received payment for their services.
· Example: The company offers fair remuneration to all employees.
Meanings of the given other options:
· Recruitment: The process of finding and hiring people for a job (भर्ती).
· Remembrance: The act of remembering or honoring someone (स्मरण).
· Rejuvenation: The act of making someone or something look or feel younger or more refreshed (पुनरुद्धार).