Final answer:
The best revision for the sentence is 'Prompt the family to participate in fun activities during commercial breaks,' as it maintains the style and is reader-friendly.
Step-by-step explanation:
The best way to revise the sentence "challenge the family to all kinds of neat activities to do during commercial breaks" while maintaining the existing style would be option B: Prompt the family to participate in fun activities during commercial breaks. This revision maintains the informal and engaging tone of the article, provides a clear doer and action, and is consistent with strategies for effective sentence revision. The chosen revision ensures that the sentence is encouraging and suggests participation, which is fitting for the context of promoting activity during commercial breaks.