Jays and catbirds quarrel constantly, and marsh-wrens keep up never-ending chatter. The word quarrel in this sentence is MOST li
kely used to A) show that they are enemies preparing for a battle. B) illustrate the irony of their presence in the swamp. C) indicate the tone and overlapping nature of their calls. D) underscore the author's contempt for these kinds of birds.
C) Indicate the tone and overlapping nature of their calls.
Explanation:
The term <em>quarrel </em>is defined a heated argument or disagreement.
The presence of this term in the sentence indicates how the author feels when describing the behavior of the creatures that are part of the plot. It is said to be "overlapping" since the argument between the creatures keeps happening without an explicit end.