An Example of a 'Seasonally Unemployed' Worker Would Be A

An example of a 'seasonally unemployed' worker would be a:

A) software engineer who loses his job because of declining demand for the software he writes.
B) child care provider who quits her job to go back to university.
C) General Motors Holden employee who loses her job because the company is downsizing its workforce.
D) worker employed at a beachside resort who loses his job in winter.