"he spoke SHARPLY to his sister" is the one sentence among the following choices given in the question that <span>contains a correctly used modifier in italics. The correct option among all the options that are given in the question is the third option or option "C". I hope that the answer has come to your desired help.</span>
D. The author uses signal words
Words like first and then are signal words that alert the reader of a sequence.
For example, “First, you make the cake. Then, you eat the cake.”