Given the following two tables: TAB1 C1 C2 A 11 B 12 C 13 TAB2 CX CY A 21 C 22 D 23 The following results are desired: C1 C2 CX CY A 11 A 21 C 13 C 22 -- --D 23 Which of the following queries will yield the desired results?（）

A. SELECT * FROM tab1 INNER JOIN tab2 ON c1=cx
B. SELECT * FROM tab1 LEFT OUTER JOIN tab2 ON c1=cx
C. SELECT * FROM tab1 FULL OUTER JOIN tab2 ON c1=cx
D. SELECT * FROM tab1 RIGHT OUTER JOIN tab2 ON c1=cx