Which of the Following Most Accurately Reflects the Pattern of Changes

Which of the following most accurately reflects the pattern of changes in the earth's temperature?

A) The earth's temperature has risen by approximately 3 degrees Fahrenheit during the past century and most of the increase has occurred since 2000.
B) The earth's temperature has fallen by approximately 2 degrees Fahrenheit during the past century.
C) The earth's temperature has risen by approximately 1.4 degrees Fahrenheit during the past century.
D) There has been virtually no change in the earth's temperature for at least the past 1000 years.