The correct answer is B. Correctional facilities because social infrastructure assets are those directed toward human activities, such as educational, health care, social housing, and correctional facilities. These assets focus on providing, operating, and maintaining infrastructure for human services.

• A. Airports is incorrect as they are classified under economic infrastructure assets, specifically transportation assets, which support economic activity.
• C. Telecommunication towers is also incorrect as they fall under economic infrastructure assets, specifically information and communication technology (ICT) assets, which store, broadcast, and transmit data.