What action can you perform on the CUST$\_$INFO table in the CUST$\_$DATA tablespace after you have entered the following SQL statement:

ALTER TABLESPACE CUST$\_$DATA READ ONLY;

A$.$

ALTER TABLE CUST$\_$INFO DROP COLUMN xx;

B$.$

TRUNCATE TABLE CUST$\_$INFO;

C$.$

INSERT INTO CUST$\_$INFO VALUES $(...)$;

D$.$

DROP TABLE CUST$\_$INFO;