The correct answer is D. financially comfortable job.
A cushy job is a job that is easy and comfortable, and that pays well. It is a job that does not require a lot of work, and that allows the employee to have a lot of free time.
A luxurious job is a job that is very well-paid, and that offers a lot of perks. It is a job that is often associated with high status and prestige.
A job with no work is a job that does not require the employee to do any work. It is a job that is often associated with retirement or disability.
An everlasting job is a job that will never end. It is a job that is often associated with government or public service.
In the context of the question, the answer must be a job that allows the employee to afford to be extravagant. Of the four options, only a financially comfortable job allows the employee to do this.