The answer to your question would be C. Repetition.
Answer:
The book shows us that cleverness in a cheater is still cleverness, and one's character is not to be judged by their ability to distinct honesty from dishonesty.
Explanation:
The answer is D.
"Keep", "factor", and "calculate" are all verbs in the list of things the new system allows teachers to do. The other sentences are inconsistent with their list of verbs/adjectives/nouns. Thus, option D is the only one that is grammatically correct.
I am not too good at explaining, so let me know if you are still confused.
Hope this helps! :)
Thanksgiving is a day everyone gives thanks for when the native Indians helped the Europeans. Labor Day is being grateful for our American soldiers.
Something like that.