The correct answer is that this group of words is a sentence. It is a complete sentence, regardless of its shortness and lack of subject. It is an imperative sentence, not a fragment.
While Napoleon was speaking about changes on the farm with the humans, he mentioned about more work and lowering the food rations.
He made the animals pamper him and abolished the song "Beasts of England".
This helped to erase the evidence of the revolution in people's minds.
The tense is in the future.
The answer is C. That I recall fondly, This adjective clause modifies the noun "Place."
