Which letter was in bold?
In the lines from Shakespeare's "The Tragedy of Macbeth," Lady Macbeth is talking to herself while she is sleep walking. She feels so guilty that she cannot sleep properly. In that respect, she means that she and Macbeth do not need to fear anything because they are so powerful that nobody will believe they are responsible for killing Duncan. However, she does not actually think so - she is only trying to convince herself of it because she is under the impression that everybody is suspicious of Macbeth.
The first statement is in an active voice. The second statement is in a passive voice. Therefore, the answer would be the second statement.
Highlighting is the answer.
Highlighting means accenting or stressing important parts of the text.