How can using a nicotine substitute help a user break the addiction to nicotine?

A: It continues to supply large amounts of nicotine
B: It uses additives to lessen withdrawal symptoms
C: It stops withdrawal symptoms
D: It slowly cuts back on the dose of nicotine

D: It slowly cuts back on the dose of nicotine

Using a nicotine substitute, such as nicotine gum or patches, can help a user break the addiction to nicotine by gradually reducing the amount of nicotine they consume. This can help wean the individual off nicotine in a controlled manner, making it easier to overcome withdrawal symptoms and eventually quit smoking altogether.