With Reference to the Job Characteristics Model, Which of the Following

With reference to the job characteristics model, which of the following defines task identity?

A) the degree to which a job requires a variety of different activities
B) the degree to which work activities generate direct and clear information about performance
C) the degree to which a job has an impact on the lives or work of other people
D) the degree to which a job provides the worker freedom in scheduling and procedure
E) the degree to which a job requires completion of a whole and identifiable piece of work