In "close encounters of the bear kind," why does the author mention that john hechtel saw a television show about bears when he was 13 years old?   a. to explain why john hechtel became a biologist who studies bears   b. to make readers think that john hechtel is just like them   c. to remind readers that television can teach and inspire people to do wonderful things   d. to suggest that there were once more shows about bears than there are now