Critical Reasoning

Authors writing detective stories frequently include a brilliant detective and an incompetent investigator who embark on separate paths in an attempt to solve a crime. The separate accounts frequently consist of the incompetent investigator becoming distracted by the criminals' well-planned attempts and the competent detective solving the case after a violent confrontation. Many literary analysts believe authors often choose this storyline in an attempt to provide readers additional complexity and challenge in solving the investigation.
Which of the following most logically follows from the statements above?
A) A well-written detective story consists of an investigation being undertaken by a competent and incompetent investigator.
B) Some authors use an incompetent investigator to show the complexities of an investigation.
C) Authors never write stories with incompetent investigators who solve a case correctly.
D) Authors can use the separate investigative accounts to make predicting the correct outcome of the investigation more difficult.
E) Authors write stories with competent and incompetent investigators to show the complexity of real life.