Which of the following is a fundamental right of Hong Kong residents regarding participation in state affairs?

Participation in local governance is a fundamental right of Hong Kong residents as outlined in the Basic Law and related legal principles. This right reflects the promise of a high degree of autonomy and self-governance for the region under "one country, two systems." Residents have the opportunity to engage in local affairs, which includes voting in elections for local offices and being involved in decision-making processes that affect their communities.

This right is vital because it empowers residents to influence local policies and governance, ensuring that government actions reflect the interests and needs of the population. It fosters civic engagement and strengthens the democratic framework within which Hong Kong operates, allowing citizens to participate directly in shaping their local governance.

Other options do not represent fundamental rights afforded to Hong Kong residents. Disrupting elections would not align with the principles of fair governance. Running unregulated campaigns contradicts the legal framework designed to ensure orderly and fair electoral processes. Lastly, participation in foreign elections is not a recognized right for residents, as it pertains to the political processes of other jurisdictions and is outside the scope of citizen engagement as provided by local law and governance systems.