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In this particular sentence the word '</span><span>persevering</span><span>' is a gerund. Gerund is a part of speech which is a verb form functioning as a noun. Also, the most recognizable peculiarity of gerund is ending -ing. But in order to identify whether it is a gerund or not, you need a context.
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The beginning is the "set up" where the setting and characters are introduced.
Jenna Starts with: 50 cards
Max Starts with: 20 cards
Max gives 16 cards to Jenna
Jenna Ends with: 50 + 16 = 66 cards
Max Ends with: 20 - 16 = 4 cards
Jenna ends with more cards
I think its B unless you're talking college wise then it would be C.