Read the excerpt from "daughter of invention".
"iya, ya! " she waved them out of her room at last. "there is no use trying to drink spilt milk, that's for sure."
what does laura mean to express to her daughters?
she wants her daughters to learn from her mistakes.
she does not want to dwell on something that cannot be changed.
she intends to invent many more useful things she can patent.
she wishes that she had been the one to patent the suitcase with wheels.

The correct answer is B. She does not want to dwell on something that cannot be changed.

Explanation:

"Daughter of Invention" is a short story by Julia Alvarez that tells the story of a Dominican Republic family that has to leave the country and immigrate to the U.S. which leads to different conflicts and obstacles as they try to begin a new life and adapt to a new culture. In the case of the excerpt presented the mother believes she had invented a suitcase with little wheels but she soon realized it was the invention of someone else, because of this she feels upset but then realize there is nothing she can do about the situation and because of this she tells to her daughters "There is no use trying to drink spilt milk, that's for sure" which means the mother will not waste time in some situation that cannot be solved or change instead she will  spend her time in more important issues she is concerned about. This means, in this excerpt the mother Laura means to express to her daughters "she does not want to dwell on something that cannot be changed".

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