Read these lines from the poem again: but the merry days of youth is beyond our controle, and it's hard to part ferever with the old swimmin'-hole. which idea do these lines from the poem illustrate? a. as people grow older, they want to forget about their happy childhood experiences. b. people cannot remember the things that once made them happy as they grow older. c. even though people grow older, they do not forget their happy memories. d. it is difficult for people to explain why things made them happy as children.