My best guess would be, "B", "Grammatical conventions were much different then."
Answer:
Mathematics is a methodical application of matter. ... Mathematics makes our life orderly and prevents chaos. Certain qualities that are nurtured by mathematics are power of reasoning, creativity, abstract or spatial thinking, critical thinking, problem-solving ability and even effective communication skills
To do this we need to see the passage of the novel
Answer: 1. back, 2. up, 3. about, 4. in, 5. round, 6. out, 7. back, 8. round, 9. up, 10. out, 11. in.
Explanation: hope this helps :)