Which circumstance indicates a victim of an offense was particularly vulnerable?

The correct answer reflects the understanding that particular circumstances can enhance a victim's vulnerability. In the context of the options provided, both aging and physical infirmity directly relate to a decreased ability to protect oneself or to respond effectively to a crime, thus indicating a heightened state of vulnerability.

Aging is significant because older individuals may face physical and cognitive challenges that can put them at greater risk of being targeted by offenders. Additionally, they may have slower reaction times or diminished physical strength, which could impair their ability to escape or defend themselves in threatening situations.

Similarly, physical infirmity refers to any condition that affects a person's physical health or mobility, such as chronic illness or disability. Victims with these conditions may lack the physical ability to protect themselves, which can make them easy targets for crime.

The combination of both aging and physical infirmity paints a clearer picture of vulnerability, as individuals who experience both can be at an even higher risk. Therefore, recognizing both conditions together acknowledges the multiple layers of vulnerability that can exist for victims in certain situations.