Read each sentence to find out whether there is any grammatical mistake/ 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).
Keeping in mind/that power cuts are on different days in different areas/the change in the factory law would enable individual factories within an area/to determining their own weekly holidays.

Options

A. Keeping in mind
B. That power cuts are on different days in different areas
C. The change in the factory law would enable individual factories within an area
D. To determining their own weekly holidays