Which describes the result of submitting the SAS program?

The following SAS program is submitted:

Data sasuser.history;

Set sasuser.history(keep=state x y

Rename = (state=ST));

Total=sum(x, y);

Run;

The SAS data set SASUSER.HISTORY has an index on the variable STATE.

Which describes the result of submitting the SAS program?
A . The index on STATE is deleted and an index on ST is created
B . The index on STATE is recreated as an index on ST
C . The index on STATE is deleted
D . The index on STATE is updated as an index on ST