To “Jump on the bandwagon” means to ___

The idiom “jump on the bandwagon” means to join a popular trend or movement often opportunistically making "join in" correct. "Continue" suggests persistence "join up" is less specific and "none of these" is incorrect. This phrase is used in politics or trends to describe following popular movements. Recognizing idioms improves comprehension of media conversations or texts. It conveys social dynamics or trends effectively especially in contexts discussing popularity or group behavior in social or professional settings.