Which marching step corresponds to 120 steps per minute?

The marching step that corresponds to 120 steps per minute is the 30 inch step at quick time. This is an established standard in military drills and ceremonies where precision and timing are essential. Quick time is characterized by a moderate pace, where soldiers march at a step length of 30 inches while maintaining a rhythm of 120 beats or steps per minute.

This timing is crucial for maintaining formation and ensuring that movements are synchronized among troops, which enhances discipline and visual appearance during parades and other ceremonial events. The 30 inch quick time step has become a foundational element in military marching practices, enabling troops to effectively maneuver while still projecting professionalism.

While other stepping options might vary in pace and step size, they do not align with the specific tempo associated with the 30 inch step at quick time, making this option the correct answer.