In the following question, three sentences are given, out of which one or more may contain a grammatical or contextual error. Identify the sentence(s) that is/are grammatically and contextually CORRECT.
A. The performance of the public sector banks was stronger than private banks in terms of rural credit expansion.
B. By the time the inspection team reached the site, the contractor had already removed the defective material from the premises.
C. The policy seeks to strike a balance between encouraging innovation and protecting consumers from misleading digital practices.