Final answer:
The sentence demonstrates Seymour's confusion. option d.
Step-by-step explanation:
The sentence, 'Though still in a fog, his mind was racing while he tried to determine the answers to his questions' demonstrates Seymour's confusion.
The use of the phrase 'in a fog' suggests that Seymour is mentally disoriented and struggling to think clearly. Additionally, the mention of his mind racing indicates a state of frantic and chaotic thoughts.
The sentence does not encourage the reader to ask questions about Seymour, create a mood of mystery, or show how much weight Seymour had gained. Instead, it clearly depicts Seymour's state of confusion.