Final answer:
Option C) 'History interests me. I decided to read the Declaration of Independence.' is the best revision to create sentence variety without combining the sentences.
Step-by-step explanation:
The best revision to create sentence variety without combining the sentences is option C) 'History interests me. I decided to read the Declaration of Independence.'
This revision maintains a clear and concise structure while introducing variety by starting with the subject of interest, history, and then specifying the action taken, reading the Declaration of Independence.
This revision effectively conveys the student's interest in history and their decision to read the Declaration of Independence.