why might someone be gleeful? because she is nervous about an upcoming test because she has just heard some…

why might someone be gleeful? because she is nervous about an upcoming test because she has just heard some good news
Answer
Brief Explanations:
The word "gleeful" means full of joy or happiness. Being nervous about a test is not associated with joy. Hearing good news is likely to cause happiness.
Answer:
because she has just heard some good news