Which of the following should you keep in mind about humor in presentations?
a. Avoid humor when covering very serious topics.
b. Offensive language and singling out a particular ethnic group are never appropriate.
c. "I heard a funny story the other day" is not an effective lead-in to humorous remarks.
d. Humor is most effective if it comes as a surprise to the audience.
e. all of these
Answer: e. all of these