Hundreds of cities in throughout China are the fountainhead of the Yangtze River's pollution, and across the last <em>50</em> years, it has been an increase of 73% in pollution volume in the nucleus of the river, through sewage and industrial waste dumping.
Ironically enough, since the Yangtze river was often referred to as “<em>the source of life</em>” in China; due being home to <em>350</em> fish species, and accounting for a significant sum of China’s water resources for rice and fishery production as well as a big part of the nation’s GDP, while being a center of great biological wealth.
I'll go with option D.They were well fed and rested, because if they were well fed they won't be hungry and if they were well rested they won't be tired.Try this.