Answer: C:The arthropod is a crustacean because it has two body sections and an open circulatory system.
Step-by-step explanation:
Crustacea are the arthropods. which includes the crabs, shrimp, barnacles, and others. These are the insects. These are the invertebrates. They have hard exoskeleton and segmented body forms. They are bilaterally symmetrical animals. They have four to six pairs of appendages which are jointed. Open circulatory system is present due to lack of developed blood vessels circulation.