Directions: In the following questions, a sentence is given with five words marked as (A), (B), (C), (D) & (E). These words may or may not be placed in their places. Four options with different arrangements of these words are given. Mark the option with the correct arrangement as the answer. If there is no change required, mark ‘No rearrangement required’ as your answer.

As the world efficient (A) a COVID-19 vaccine, UNICEF has vaccine (B) laying the groundwork (C) for the rapid, safe and awaits (D) delivery of the eventual begun. (E)