The tone of the first video is much different than the tone of the 2nd video. Probably because one was remembered through the eyes of child, and one was lived through the eyes of an adult. Why would an author's tone change on a subject as they age? Check all that apply. [mark all correct answers]

a. The author has had more life experiences.
b. The author has acquired more understanding of the whole subject.
c. Sarcasm isn't funny when you're a child.
d. The author's priorities may have changed.