Amajor obstacle to developing good human relations skills is that
a. few persons have common interests.
b. people fear taking risks.
c. common interests won't to keep a conversation going.
d. human relations aren't rewarding

As people who are living in the same planet, it is important that we interact with one another and build a strong relationship because no one lives entirely independently of the others. From the choices, the obstacle in developing good relations is (b) people fear of taking risks.

The correct answer is option B. A major obstacle to developing good human relations skills is that people fear taking risks. A good human relationship can be developed when people have common skills. Having common interests help in budding relationhips. And, human relations are aways rewarding. So, the only obstacle in developing good relations is when people take risks instead of being carefree to making relations.