Puzzled, Isabel looked at Esperanza. "Don't you know how to wash clothes?"

"Well, Hortensia took everything out to the laundry quarters. And the servants, they always . . . " She looked at Isabel and shook her head no.

How can Jackie best explain a change in Esperanza as the story develops?

At first, Esperanza doesn’t know how to wash clothes, then she pays Isabel to do the laundry for her.
In the beginning, Esperanza has to wash dirty diapers; later, she hires a maid named Hortensia.
Esperanza is first embarrassed that she can’t do laundry, but later she decides she likes sweeping best.
Once Esperanza had a maid to do her laundry; later, she asks Isabel to teach her to wash clothes.