A. I think because Cadence, in music, the ending of a phrase, perceived as a rhythmic or melodic articulation or a harmonic change or all of these; in a larger sense, a cadence may be a demarcation of a half-phrase, of a section of music, or of an entire movement. (I am sorry if I am wrong )

<h3>Active voice:</h3>
People believe that Pluto is no more a planet.
<h3>Passive voice:</h3>
It is believed by people that Pluto is no more a planet.

Falling in love can be the theme. You can deduce from the story that no matter how bad things can get, there will always be someone that will be able to lift up your spirit again. You just have to be patient.
==>True to this case the speaker of the poem is falling in love to a woman after being hurt by the sounds of things.<span> </span>
“The cough is a mere nothing. It will not kill me. I shall not die of a cough” this part of the passage is very ironic because he really won’t die of a cough but he is explaining the cough to be nothing for him to be worried about