She doesn't want him to know
The inference can be made about Della from this excerpt is Della bargains well in order to save money" (Option C)
<h3>How do you draw an inference?</h3>
Drawing inferences involves looking at statements logically and examining them for contextual clues to see what conclusions may be made from them.
The context clue that helps us answer this question is "Pennies saved one and two at a time..."
Learn more bout inferences at;
brainly.com/question/2095640
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Answer:
Learning is the best way to perform good work