Which of the following nerve supplies the soft tissues from canine to canine area?

The nasopalatine nerve is the correct choice because it specifically innervates the soft tissues of the anterior hard palate, which includes the area from the canine to canine. This nerve is responsible for sensory innervation and provides sensation to the mucosa in this region.

The lesser palatine nerve primarily supplies the soft palate and the tonsillar region, not specifically the area between the canines. The greater palatine nerve supplies the posterior portion of the hard palate and the adjacent soft tissue but does not extend to the anterior segment, thus not covering the canine to canine area. The infraorbital nerve provides sensation to the facial region, including the upper lip and lateral aspects of the nose, but it does not specifically target the alveolar region within the anterior maxilla. Therefore, the nasopalatine nerve stands out as the correct answer due to its direct involvement with the soft tissues in the specified location.