Based on the passage, what is the author's attitude toward negative dog training?
A: The author disagrees with negative dog training because it creates an unhealthy dynamic through punishment.
B: The author disagrees with negative dog training because it does not always stop dogs from chasing squirrels.
C: The author agrees with negative dog training because it promotes a respectful relationship between dog and owner.
D: The author agrees with negative dog training because it has been used in behavioral correction for centuries.