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Answer:
D) effectiveness.
Explanation:
A device of effectiveness is Emphasis. The emphasis is the repetition of key words and phrases or the careful arrangement of words to give them special weight and prominence.
It may also refer to the intensity of expression or the stress put on words to indicate their importance or special significance.
The structure of an Italian sonnet is two quatrains followed by a sestet, which means that there are 14 lines in total.
A quatrain has 4 lines, and a sestet has 6.