To be protected by law, a trade secret * must be copyrightable
must be patentable
must be commercially valuable
must have had efforts to keep it secret
both c and d

Iwould say the answer is 4.

Answer (d) parents who do not want jobs because they are caring for young children;

Planning for the future should be as important as planning any aspect in your life. when you retire, you will be faced with a big turning point in your life such as having to deal with your personal growth, your relationship with your family and friends, and finding purpose and happiness in life. you should be prepared not just financially, but emotionally and mentally. make sure that after all the work that you've done for all your life, you find the time to relax and enjoy your retirement with your family, friends, and yourself. 

Ithink the answer is d.