Read the following summaries of the original text and decide which one includes unnecessary details.
Original text: The number of overweight children is predict to rise significantly around the world by the end of the decade. Research conducted in 25. countries has concluded that almost every country showed significant increases in childhood obesity. Almost 50.% of children in the US, Canada and Latin America will be overweight by 202.0.; in China, this figure is estimated to be one in five. Scientists believe this will mean that health care services will be seriously affected in the future. Many obese children will become obese adults, which will result in many of them suffering from heart disease, stroke, and other weight-related ailments.
A.A survey conducted in 25. countries has showed that the number of overweight children will increase greatly worldwide by 202.0. Scientists fear that this will affect health care services in the near future because many obese children will suffer wright-related problems when they become adults. B.Since the number of overweight children will increase around the world, health care services will be seriously affected in the future. C.The increasing number of obese children worldwide will cause serious problems to medical services. D.There will be a significant rise in the number of obese children around the world by the end of the decade.正确答案A
