The correct answer is C. build.
Bees use propolis, a resinous substance collected from trees and plants, to build their hives. Propolis has been shown to contain antibiotic substances that help to protect the hive from infection.
A. collect: Bees collect nectar and pollen from flowers to make honey.
B. design: Bees do not design their hives. The shape and size of the hive are determined by the type of bee and the environment in which the hive is built.
D. decorate: Bees do not decorate their hives.
E. structure: The structure of a beehive is complex and varies depending on the type of bee. Honey bee hives are made up of hexagonal cells that are used to store honey, pollen, and larvae.