Answer:
Letter a is correct. Health care.
Step-by-step explanation:
When looking for a job vacancy in the market, a potential candidate is always looking for companies with a high reputation in the market and that offer good benefits to the worker.
A benefit most sought after by most people is health care.
It is therefore noteworthy that this option is the most appropriate to answer the question, as the companies that offer this benefit consequently attract the best and most qualified professionals in the market.