Which of the Following Is True of the Factor-Comparison Method

Which of the following is true of the factor-comparison method of job evaluation?

A) In this method, descriptions of each group of jobs are written and then each job is put into a grade according to the group it best matches.
B) It is time-consuming and difficult to use, which accounts for its limited popularity in organizations.
C) It uses subjective judgments to develop the class descriptions and to place jobs accurately in them.
D) It is a qualitative method that combines the classification and ranking methods.