The correct answer is D. intractable.
Mounting unemployment is a serious problem faced by India today. It is a complex issue with no easy solutions. The government has taken some steps to address the problem, but more needs to be done.
The word dubious means “questionable” or “doubtful”. It does not accurately describe the problem of unemployment.
The word profound means “deep” or “significant”. It is accurate to describe the problem of unemployment as profound, but it is not the most accurate word in this context.
The word unpopular means “not liked by many people”. It is not accurate to describe the problem of unemployment as unpopular. Unemployment is a problem that affects everyone, regardless of their popularity.
The word unattainable means “not able to be achieved”. It is not accurate to describe the problem of unemployment as unattainable. The government and other organizations are working to address the problem of unemployment, and it is possible to make progress.
The word intractable means “difficult or impossible to deal with”. It is the most accurate word in this context. The problem of unemployment is difficult to deal with, and there is no easy solution.