[ Vocabulary and Grammar ]
. Which sentence uses commas correctly?
A. Jim is very bold and smart but he doesn’t always say nice things to people.
B. Jim is very bold and smart, but he doesn’t always say nice things to people.
C. Jim, is very bold and smart but he doesn’t always say nice things to people.
D. Jim is very bold, and smart, but he doesn’t always say nice things to people.

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