Read each sentence to find out whether there is any grammatical mistake error in it. The error if any, will be any part of the sentence. Make the number of that part with error as your answer. If there is 'd) No error', mark.

A. Pooja went to her friends house at the appointed hour; but

B. she was told

C. that her friend left half an hour earlier

D. No error

Please do not use chat terms. Example: avoid using "grt" instead of "great".