A small bird chirped [outside] (A)
<span>My window all day [long.] (B)</span>
<span>I wondered if it [knew] (C)</span>
How much I loved its [song] (B)
your answer is: A. ABCB
<span>a. ABCB</span>
Repetition and circularity
The correct answer of the given question above would be the last option. The author's choice of words affects the tone of the excerpt in a way that the words candor and legacy impart a complimentary tone. Candor means being open or honest. And these two words impart a flattering tone.