select the best evidence to support the statement that della has been planning to buy jim a present for a…

select the best evidence to support the statement that della has been planning to buy jim a present for a long time. della finished her cry and attended to her cheeks with the powder rag. she stood by the window and looked out dully as a gray cat walked a gray fence in a gray backyard... she had only $1.87 with which to buy jim a present. she had been saving every penny she could for months, with this result. twenty dollars a week doesnt go far. expenses had been greater than she had calculated. they always are. only $1.87 to buy a present for jim. her jim... something fine and rare and sterling—something just a little bit near to being worthy of the honor of being owned by jim. from o. henry, \the gift of the magi\
Answer
Brief Explanations:
The key - phrase "saving every penny she could for months" indicates long - term planning.
Answer:
She had been saving every penny she could for months, with this result.