The following sentence has been divided into parts. One of them may contain an error.
Select the part that contains the error from the given options. If you don’t find any error, mark ‘No error’ as your answer.

The UAE, along with other/ Gulf states, has been being/ making friendly overtures to Iran.

A

The UAE along with other

B

No error

C

Gulf states has been being

D

making friendly overtures to Iran