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 environment in which companies operating today is undergoing Frenetic changes.
The environment in which
companies operating
today is
undergoing Frenetic changes.
No error
Correct answer is B
companies are operating