Read each sentence to find out whether there is any grammatical error in it. The error, if any will be in one part of the sentence. The letter of that part is the answer. If there is no error, the answer is 'D'. (Ignore the errors of punctuation, if any).

1. Looking back, I find that among the many impressions ofthe people of India,
2. absorbed while I lived among them,
3. are their reverence for great men and women.
4. No error.