To walk with slow or regular Steps is to

The correct answer is C. Pace.

To pace is to walk with slow or regular steps. It can also mean to walk back and forth in a particular area, especially as a way of showing impatience or anxiety.

The other options are incorrect.

• Limp is to walk with a limp, which is a difficulty in walking caused by an injury or illness.
• Stride is to walk with long steps.
• Advance is to move forward or progress.