The correct answer is D) There is no single topic sentence. a topic sentence is used to summarize what the writing is about, and there is no sentence that does that in this piece.
The correct answer is A.
In his essay, "The Philosophy of Composition," Poe explains that he wanted to have a strong word for the Raven to say. It had to be "sonorous and susceptible of protracted emphasis".
These considerations led him to the conclusion that the word should contain the vowel "o" connected with the consonant "r."
After deciding these characteristics, the first word that came to his mind was "Nevermore."
The new sentence, Lion cubs are born with spots, but they lose their spots by the third month, is an example of a COMPOUND VERB.
Compound verb are verbs used in a sentence by a single subject.
The subject in the sentence is LION CUBS.
The compound verbs in the sentence are ARE BORN and LOSE.
The meter from this line is pentameter, and to be more precise, this is an iambic pentameter.
Iambic means that the first syllable in the line is unstressed, and that it is followed by a stressed one. Here, you can see that DO in the beginning is unstressed, and the accent is placed on the second syllable, NOT. Pentameter means that there are five meters (penta means 5), and given that one meter consists of 2 syllables approximately, pentameter consists of 10 syllables in each line.