Answer:
Option A. frictional unemployment, is the right answer.
Explanation:
Option A is correct because frictional unemployment is referred to as a situation when people change their job and remains unemployed during this period. For example, a person leaves his earlier job and starts finding a new job. It took him one month to find a new job, therefore, this period of one month during which he was unemployed and looking for a job is considered to be as the frictional unemployment.
