NOT one of the five main castes of India?

Could you please help me I don’t really understand this pleas?A,B,C

B, C.A

C.B.A

A,C,B

C.B.AWhich sentence contains an example of contested usage regarding the way sentences end? es A) I'm not sure which shelf that cup and saucer is on top of. B) Asher picked up all the cards that had been left on the floor. The third grade classroom laughed loudly at the custodian's funny joke. D) Edgar overslept by thirty minutes, and he was late to school for the first time ever.

1. darius the great     persia  

2. piankhi       nubia

3. ezana       aksum

4.     nebuchadnezzar     babylonia

5. shalmaneser iii     assyria