Which two alter statements will achieve this?

You created a tablespace with this statement:

CREATE BIGFILE TABLESPACE adtbs
DATAFILE ‘/proddb/data/adtbs.dbf’ SIZE 10G;

The tablespace is nearly full and youneed to avoid any out of space errors for the load of a 5 gig table.
Which two alter statements will achieve this?

A.
ALTER TA3LESPACE adtbs RESI2E 20G;

B.
ALTER TA3LESPACE adtbs ADD DATAFILE;

C.
ALTER TABLESPACE adtbs AUTOEXTEND ON;

D.
ALTER TA3LESPACE adtbs ADD DATAFILE ‘/proddb/data/adtbsl.dbf’ SIZE 1QG;

E.
ALTER TA3LESPACE adtbs MODIFY DATAFILE ‘/proddb/data/adtbs.dbf AUTOEXTEND ON;