From February 2011 to April 2011, Outward Investment from XX witness declined in the Singapore by = millions. From February 2011 to April 2011, Outward Investment from XX witness declined in the UK millions From February 2011 to April 2011, Outward Investment from XX witness declined in the UAE millions. From February 2011 to April 2011, Outward Investment from XX witness declined in the others millions. We can see that "others" have a decline of 865 millions and it is the highest decline for any country among the given choices. Hence, option D is the correct answer.