Can you maybe attach the file to the question?
D. gerund phrase as a direct object
Gerund is one of three kinds of verbals. Like all verbals, gerunds are nouns derived from verbs. Gerunds end in -ing. In the sentence, "leading" is the gerund. This gerund phrase is used as the direct object.
Answer:
D indicating the extra sources you used to understand the text
The answer is b because it’s true
Spatial order describes things as they are in their physical location.
