Answer: 4
Explanation: The first two quotes used show Walsh's apprehension about the people turning themselves in, and the last confirms that this apprehension is because of bad past experiences.
The correct answer is to B. De-emphasize the subject.
Very often the subject can be completely omitted.
Burglars committed the crime
The crime was committed (by the burglars).
In the passive version, the subject is irrelevant.
What text are you talking about?