Which sentence includes a participial phrase? (1 point)

• I looked in the closet for my sweater.
• I would like to go to the new mountain resort.
• Would you help our planning the trip?
• Staring down the mountain, Jack was excited for a day of skiing.

Staring down the mountain, Jack was excited for a day of skiing.

The sentence that includes a participial phrase is:

"Staring down the mountain, Jack was excited for a day of skiing."

The sentence that includes a participial phrase is: "Staring down the mountain, Jack was excited for a day of skiing."

To identify a participial phrase, you should look for a verb form that ends in -ing or -ed (or sometimes irregular forms such as -en or -n). In this case, the word "staring" is a present participle, which is formed by adding -ing to the base verb "stare." Therefore, the participial phrase in the sentence is "staring down the mountain."