SQL & PL/SQL

Hello,
Database: Oracle 11g r2

  1* create table t ( t varchar2(30))
SQL> /

Table created.

SQL> insert into t values('
  2  Answer: a
  3  ');

1 row created.

SQL> select * from t;

T
------------------------------

Answer: a


  1* select rownum, ltrim(rtrim(trim(t))) t from t
SQL> /

    ROWNUM             T
----------             ------------------------------
         1
                       Answer: a

I want trim off the blank in the column when selecting the record.
Any help would be greatly appreciated.

Is there anything like to replace

Thanks,