Which of the Following Is a Characteristic of Concurrent Powers

Which of the following is a characteristic of concurrent powers?

A) They are held exclusively by the national government.
B) They apply only within the geographic area of the state to which they are granted.
C) They include functions that the Constitution delegates exclusively to the national government.
D) They allow states to levy taxes on goods being imported from other states and countries.
E) They allow the U.S. national government to impose taxes on exported goods.