The summary that includes unnecessary details is option C: “A survey conducted in 25 countries has showed that the number of overweight children will increase greatly worldwide by 2020. Scientists fear that this will affect health care services in the near future because many obese children will suffer weight-related problems when they become adults.”
This summary includes additional information about a survey being conducted in 25 countries, which is not mentioned in the original text. It also adds unnecessary details about scientists’ fears and the timing of health care service impacts. These details are not essential to understanding the main point of the original text, which is the predicted rise in overweight children and its impact on health care services.
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