Read the excerpt from a speech given by President Barack Obama in 2009. President Obama’s National Address to America’s Schoolchildren

Which claim made in the speech is supported by reasons or evidence?
A) "If you get a bad grade, that doesn't mean you're stupd, it just means you need to spend more time studying."

B) "You definitely have to do a few drafts of a paper before it's good enough to hand in."

C) "So if you get into trouble, that doesn't mean you're a troublemaker, it means you need to try harder to act right."

D) "These people succeeded because they understood that you can't let your failures define you—you have to let your failures teach you."

ANSWER IS D.