What could be the possible reason for this error message?

You execute the following set of commands to create a database user and to grant the system
privileges in your production environment.
SQL> CREATE USER user01
IDENTIFIED BY oracle
DEFAULT TABLESPACE tbs1
TEMPORARY TABLESPACE temp
PROFILE default
/
SQL> GRANT create session, create table TO user01;
While executing the command to create a table, the user gets the following error message and the
CREATE TABLE.. command fails.
ERROR at line 1:
ORA-01950: no privileges on tablespace
What could be the possible reason for this error message?

A.
The tablespace TBS1 is full.

B.
The user is not the owner of the SYSTEM tablespace.

C.
The user does not have quota on the TBS1 tablespace.

D.
The user does not have sufficient system privileges to create table in the TBS1 tablespace.

E.
The user does not have sufficient privileges to create table on the default permanent tablespace.