Greeks show was about the beliefs in the gods and to always be very careful. Thus option A is correct, gods always invisible to human beings.
Thus the incident of the odyssey tells us about the Greek beliefs of the god that is always in disguise and can be found any where and everywhere they are invisible to mankind and hence cannot be seen easily. This s expressed in the opening of part 2.
Find out more information about the incident with Athena. here
brainly.com/question/6530509.