The correct answer is mention.
The correct answer is (B) To mention, to refer to; to make an allusion to, to refer casually, indirectly, or covertly to.
Allude comes from Latin alludere, equivalent to ad- (to) and ludere (play).
Examples of use:
- She frequently alluded to her humble beginnings.
- The note alludes to an event that we discussed yesterday.