Reread this passage from Mark Twain's speech, "Advice to Youth"?
Now as to the matter of lying. You want to be very careful about lying; otherwise you are nearly sure to get caught. Once caught, you can never again be in the eyes of the good and the pure, what you were before. Many a young person has injured himself permanently through a single clumsy and ill finished lie, the result of carelessness born of incomplete training.

What is Mark Twain's advice to young people, regarding lying?

A. Only lie to people who are not likely to know the truth.
B. Learn to lie well so that you don't get caught.
C. Don't making lying a regular habit--use it as a last resort.
D. Never lie to anyone--it will only ruin your reputation.