Directions: In the given sentence, four words, given in bold are marked as (A), (B), (C) and (D). These words may or may not be placed in their right places. Four options with different arrangements of these words are given below, mark the option with the correct arrangement as your answer. If no change is required mark 'No rearrangement required' as your answer.

The eligible (A) number of employees who will be exercised (B) under the new order will only be known after exact (C) employees have covered (D) the option.