5. Which of the following claims is most likely to have sufficient evidence? A. Many people have been abducted by alien beings from other planets.

B. In the future many of us will be living on Mars.

C. Gene therapies are being developed as better treatment for many genetic ailments. Older treatments should be phased out when gene therapy is available.

D. To cure a headache, lick a tiny piece of paper, and stick it to your forehead for 15 minutes.