Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct option that best fits each of the numbered blanks from 18 to 22.

Crime rates in the United States have been a subject of concern for many years. (18) _______, others are still struggling with high rates of incidents such as robbery, assault, and homicide. This disparity can be attributed to various factors, such as socioeconomic conditions, lack of education, and insufficient law enforcement resources.
Often leading to frustration and desperation, (19) _______. In areas where unemployment is high, people may turn to illegal activities as a means of survival. Furthermore, (20) _______. The debate about gun control remains heated, with many arguing that stricter laws would reduce crime, while others believe that the right to bear arms is essential for personal security.
In response to the growing crime rates, (21) _______. These include community policing, which fosters a closer relationship between officers and the people they serve, as well as increased surveillance in high-crime areas. Although crime reduction is a complex issue, there are signs that targeted efforts, when combined with community support, (22) _______.