"The secret garden" is <span>a popular novel written by Frances Hodgson Burnett in 1909, </span>In the novel, Mary and the garden are so closely symbolically related, therefore, we can deduce that the reawakening of the garden may foreshadow and effect Mary's own reawakening.
I would say mark all of them. Due to the fact that this is a poem it uses all of these.