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 'E'. (Ignore the errors of punctuation, if any).
The last year proved quite bad as major industries witness lot of problems.
The last year proved
quite bad
as major industries
witness lot of problems.
No error
Correct answer is D
'witnessed lots of problems' or 'witnessed a lot of problem'