The answer would be A. As the doors creaked open the sun’s rays almost blinded him. This is the only option that has a mention of nature.
Answer: the answer would be the prisoners are starving
Explanation:
First, you find the simple subject and simple predicate.
If the '-ing' form of the verb is not part of the simple predicate, then determine how it is used in the sentence. If it's in a noun position, then it's a gerund. If it is used as an adjective, then it will be a participle.