Final answer:
In the sentence 'Michaela spotted a red fox,' the correct participial phrase is 'Running through the field,' as it describes the action of the fox.
Step-by-step explanation:
The question requires selecting the correct participial phrase to complete the sentence about Michaela spotting a red fox. A participial phrase includes a present or past participle and acts as an adjective or adverb.
To complete the sentence 'Michaela spotted a red fox,' the correct participial phrase is 'Running through the field,' as it describes the action of the fox that Michaela spotted, similar to the 'Skipping along the forested path' example provided.