Why is it to examine the tone of a sonnet?
determining how the poet feels about the subject of the sonnet is the main purpose of interpretation.
identifying the tonal patterns of rhyme and rhythm in a sonnet enables readers to correctly interpret it.
determining the speaker's attitude toward the topic of a sonnet is essential to an accurate interpretation.
identifying the emotional impact the sonnet has on the reader or listener allows readers to interpret it accurately.

Determining the speaker's attitude toward the topic of a sonnet is essential to an accurate interpretation.

The correct answer is C. Determining the speaker's attitude toward the topic of a sonnet is essential to an accurate interpretation.

Explanation:

In literature, including poems and therefore sonnets, the tone refers to the attitude and position of the author toward the topic he or she wrote about. This tone can be analyzed based on the language used by the author and it is essential for the reader to understand the tone as only in this way she/he can interpret a text accurately based on the author's intentions and attitude. This means, in a sonnet which is a type of poem with fourteen lines, it is important to examine the tone because by knowing the author's or speaker's attitude you can make an accurate interpretation.

i'm sorry i don't understand the question.

the answer is "began" because it is a action that can be done