Which of the Following Statements About Climate Change Is True

Which of the following statements about climate change is true?

A) Scientists predict that the average temperatures in North America will increase by less than 1°C over the next century.
B) Organisms that disperse easily have the best chance of surviving climate change (all else being equal) .
C) The earthworms in much of northern U.S. and Canada were wiped out by glaciers; the worms we see now were introduced from Europe.
D) Both a and b
E) Both b and c