Which of the following parts from o'henry's "the gift of the magi" reveals information about a conflict in the story?

a. so now della's hair fell about her, rippling and shining like a cascade of brown waters.

b. she stood by the window and looked out dully at a grey cat walking a grey fence in a grey backyard.

c. three times della counted it. one dollar and eighty seven cents. and the next day would be christmas.

d. there was clearly nothing left to do . jim had not yet seen his beautiful present. she held it out to him eagerly upon her open palm.