Antonym of INDULGE

Answer: Option B

Indulge : become involved in (an activity, typically one that is undesirable or disapproved of).
Avoid : keep away from or stop oneself from doing (something).
Abstain : restrain oneself from doing or enjoying something.
Forego : precede in place or time.
Neglect : fail to care for properly.

Antonym of Indulge is Abstain