question_answer

Direction: 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. Mark the part with the error as your answer. If there is no error mark 'No error' as your answer. Ignore the errors of punctuation if any.

We have seen incredibly technological advances / from artificial intelligence to improvements / in energy efficiency, but while these have changed lives, / productivity growth has not been substantially boosted.

A)  We have seen incredibly technological advances

B)  From artificial intelligence to improvements

C)  In' energy efficiency, but while these have changed lives,

D)  Productivity growth has not been substantially boosted,

E)  No error