Oceanic art was made from which of the following materials?

There are various materials used in making an oceanic art it depends on the area and the culture of the area. Some used rock as a material and also some use not long-lasting materials like painted and carved wood, bark-cloth, vegetable fibers, feathers, and bone. These materials are used in the monumental lava-stone statues on Easter Island. 

Iwould say d) signed unknown street singers who brought original songs to record.