In the question below, three statements are given which are divided into four parts out of which one is erroneous grammatically. Choose the sentence/sentences and its corresponding part which is/are incorrect.

A. In order to remain competitive, (1)/ companies must register a (2)/ considerable increase (3)/ of productivity. (4)

B. No sooner had (1)/ the train stopped (2)/ than the (3)/ passengers rushed towards it. (4)

C. Educational institutions need to (1)/ recognize the importance of nurturing (2)/ creativity, both in its own right as well as a path (3)/ to formal, structured learning. (4)