In this sentence 'at that time' indicates an action in the past. All of the answer choices are in the past, so this process of elimination will also be about finding the most concise, grammatically correct answer.
Choice E has an element of redundancy by repeating villagers.
Choice C ignores the other parts of the artistic community, describing the villagers instead of the larger community that they were a part of. Choices A and D are unnecessarily wordy.
, the correct answer, is the most concise option.
"Start By Doing What Is Necessary ,Then What Is Possible & Suddenly You Will Realise That You Are Doing The Impossible"