The Correct Answer(S) Is - <span>A. Fountain</span>
The words the author uses (including the actual word 'fountain') represent how bubbly and lively the bobolinks are. The words 'gushing' and 'gurgling' are sounds a fountain makes, and when the author says the birds are 'pouring forth floods of sweet notes' it is like the way a fountain pours out water. HOPE THIS HELPS!!! (づ。◕‿‿◕。)づ
<span>7.50</span><span> </span>is the answer. If you need more help, you could use this YouTube channel<span>: https://www.youtube.com/results?search_query=khan+academy+equations </span>