In the following lines, the author compares a bobolink to a ______________ to describe the liveliness of the bird's song.
"After the arrival of the thrushes (a type of bird) came the bobolinks (a type of bird), gushing, gurgling, inexhaustible fountains of song, pouring forth floods of sweet notes over the meadows."
A. Fountain
B. Song
C. Flood
D. Meadow