Answer: c) In the poem, blue skin represents a quality that people are afraid to share even though it is an important part of their identity.
Explanation:
In the poem Masks by Shel Silverstein, both the male and the female had blue skin and yet hid it. Skin colour is a very noticeable thing and in this world your skin colour is a very important part of who you are. This must mean therefore that they were very afraid to share it and this is why they hid something so important.
I have attached the poem for you to read through.