Explanation:

The correct answer is option 'C', which states that men predominate the rural-to-urban stream of inter-state migration due to economic reasons. This means that men are more likely to migrate from rural areas to urban areas for economic opportunities compared to other groups such as children, women, and the government.

Reasons for the predominance of men in rural-to-urban migration:

1. Economic opportunities: Men are often the primary breadwinners in families and are more motivated to migrate in search of better job prospects and higher wages. They may seek employment in sectors such as construction, manufacturing, and services that are predominantly found in urban areas.

2. Higher earning potential: Urban areas generally offer higher wages and better job prospects compared to rural areas. Men may be more willing to take risks and migrate in order to improve their economic status and support their families financially.

3. Social norms and gender roles: Traditional gender roles and expectations may influence men to migrate for work and provide for their families. This can be seen in societies where men are expected to be the primary earners and women are expected to focus on household and caregiving responsibilities.

4. Skills and qualifications: In some cases, men may possess specific skills or qualifications that are in demand in urban areas. This could make them more desirable candidates for job opportunities and increase their chances of successful migration.

5. Networks and support systems: Men may have existing networks and support systems in urban areas, such as friends or relatives, which can make the transition and settlement process easier. These networks can provide guidance, job leads, and assistance in finding accommodation.

6. Migration for education: While the question specifically mentions economic reasons, it is worth noting that men may also migrate to urban areas for educational opportunities. Pursuing higher education in urban areas can lead to better job prospects and career advancement.

Overall, the predominance of men in rural-to-urban migration can be attributed to economic factors, societal expectations, and the pursuit of better opportunities.