Respuesta :
Answer: C. Deer.
Explanation: A participial phrase is a group of words consisting of a participle (present or past) and the pronouns, nouns or noun phrases that modify the expressed participle, it usually acts like and adjective, modifying a noun or a pronoun. In the given sentence, the participial phrase is "Struggling to its feet" ("struggling" is a present participle), and it is acting as an adjective, modifying the noun "deer."