Which sentence from “The Gift of the Magi” proves Jim’s caring nature?

Question 10 options:

a)
“Had King Solomon been the janitor, with all his treasures piled up in the basement, Jim would have pulled out his watch every time he passed, just to see him pluck at his beard from envy.”

b)
“‘If Jim doesn’t kill me,’ she said to herself, ‘before he takes a second look at me, he’ll say I look like a Coney Island chorus girl.’”

c)
“‘I don’t think there’s anything in the way of a haircut or a shave or a shampoo that could make me like my girl any less.’”

d)
“Instead of obeying, Jim tumbled down on the couch and put his hands under the back of his head and smiled.”