In the question below, four words are given in bold, which may not be arranged in the correct order. Choose the replacement needed between the words to make the sentence correct and meaningful.

In early times clan elders would orally (A) pass down the family’s ensure (B) to chronicle (C) clan history would never be forgotten (D).

Correct option is B

The interchange is needed between the words ‘ensure’ and ‘chronicle’. Thus, the sentence will be, “In early times clan elders would orally pass down the family’s chronicle to ensure clan history would never be forgotten.”