Select the correct answer. Read the passage.
Gina waited with anticipation as her math teacher handed back the recent math test. Eager to see her grade, she grabbed the test the instant
her teacher placed it face down on her desk. Quickly turning the test over, she saw that she'd earned a lower score than expected. Although
Gina was disappointed, she examined her mathematical errors with a positive attitude and encouraged herself to use different studying
strategies in the future. She felt confident that she would do better next time.
How does the last sentence help develop the tone of the passage?
OA.
The short sentence shows that the tone of the passage is proud.
OB
The sentence illustrates a bittersweet tone through two clauses.
Oc.
The short sentence helps to emphasize the passage's optimistic tone.
D
The sentence contributes to a conflicted tone through two clauses.