Job enlargement tends to deter an employee's development because: a. it is so time-consuming.
b. means adding new challenges and responsibilities to an employee's current job.
c. means moving the position up the organizational hierarchy.
d. refers to hiring more people for the same job category.

b. means adding new challenges and responsibilities to an employee's current job.

Explanation:

Job enlargement refers to rise in the scope of the job via extending the range with respective to the duties and responsibilities of the job normally at the similar level. It means it added the different kind of activities at the similar level and the same is to be added in the existing job

So here the fear in the employee development is that they need to add the new challenges and responsibilities

Therefore the option b is correct

answer; depth;