Directions: In the following question, a sentence is divided into four parts (A), (B), (C), and (D). The error, if any, will only be in one part of the sentence. Choose the option with the part containing the error and mark it, if the sentence is free from errors, mark 'No error' as your answer.

Soon he reached the street (A)/ and disappeared through (B)/ a glass doorway into (C)/ one of the glass building (D)/.