From February 2011 to April 2011, Outward Investment from XX witness declined in the Singapore by = 1211−378=833 millions. From February 2011 to April 2011, Outward Investment from XX witness declined in the UK =117−44=73millions From February 2011 to April 2011, Outward Investment from XX witness declined in the UAE =227−157=70millions. From February 2011 to April 2011, Outward Investment from XX witness declined in the others =1551−686=865millions. 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.