Answer:
b. application form
Explanation:
Based on the scenario being described within the question it can be said that they most likely have these individuals fill out an application form. Like mentioned in the question this is the first step in the pre-screening process in which individuals fill out a form that has all of their basic information, including skills, previous work experience, age, name, id number etc. All information that the employer may need to evaluate their potential for the job that they are hiring for.