Which sentence uses a synonym as a context clue?

A.
Jim was as angry as a bear when he heard the news.
done

B.
The flower garden was vibrant; it was very lively!
C.
Rather than being truculent, Charles was easygoing.

D.
Mala was tenacious; she didn't give up easily!
AAAaannndd the bot gets it wrong yet again!
used an antonym ...