In each of these questions, a sentence has been divided into four parts and marked a. b, c and d. One of these parts contains a mistake in grammar Idiom or syntax. Identify that part and mark it as the answer.

A. What other steps can be taken

B. to expedite the recovery of loans

C. are being discussed by the Bank Chairman

D. at their meeting in Bombay

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