Which of the Following Lines of Evidence Would Best Support

Multiple Choice

Which of the following lines of evidence would best support the argument that Earth's atmosphere is warming as a result of an increase in solar output but would not be the argument that it is warming because of increased concentrations of greenhouse gases?

A) Warming trends are detected in some regions of the planet but not others.
B) Earth's temperature stabilizes when the concentration of greenhouse gases in the atmosphere begins to decrease.
C) The stratosphere shows a warming trend,but the troposphere shows a cooling trend.
D) Both the troposphere and stratosphere show warming trends.