The correct answer for the question that is being presented above is this one: "The speaker here is mourning over the death of her lover. It was fifteen years ago but now she is talking about her reaction. She doesn't want to dwell more on reminiscing and remembering her lover, otherwise she will be plunged into depression.
Because it’s normally the principal behind those little things ...
A refutation or contradiction
The correct answer is A.
In his poem, "To a Sky-Lark," Wordsworth admires a Skylark and feels enchanted by his song. He feels that the bird must know something about the word that causes it to sing in such a beautiful way.
He uses the rhyme of the words "singing" and "ringing" to put emphazis his wish to share the bird's experience.