My screaming into the darkness attracted the rescue squad. The gerund phrase in this sentence is acting as subject
direct object
appositive
object of the preposition
predicate nominative

subject

Explanation:

A gerund is a noun formed by a verb root plus the present participle ing. A gerund phrase consists of a gerund and its modifiers or objects, it functions as a noun, and it can act as a subject, an object, or a predicate nominative.

In this example, the gerund phrase is "My screaming into the darkness," which functions as a subject noun and takes the third-person singular verb "attracted"

for me, i'd go with (c) satisfied or (b) overjoyed because if you read it a couple of times, it makes since that it is c or b. it can't b (a) angry because booker was never angry about anything. at the end of the paragraph, booker states, "i think there are not many men in our country who have had the privilege of naming themselves in the way that i " i think that sentence kind of gives away the also, some words in the paragraph can also you like for example, "indulged," "calmly," "perplexity," "privilege," and defining words that you don't know, can you understand more of that paragraph and it can also increase your comprehension. : )

i'm really rally sorry if i'm incorrect, but if i'm hope this ! : )