A sentence is given with four words marked as (A), (B), (C) and (D). 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.

India is making rapid (A) inroads in the Philippines by establishing (B) long-term trade and economic (C) ties even as it plans (D) to have a preferential trade agreement with the country.