有关系代数表：【图片】与其执行结果等价的pgSQL语句为（ ）。 A. SELECT * FROM eeexam,examinee WHERE examinee.eeid=eeexam.eeid; B. SELECT * FROM eeexam CROSS JOIN examinee WHERE examinee.eeid=eeexam.eeid; C. SELECT * FROM eeexam NATURAL JOIN examinee; D. SELECT * FROM eeexam JOIN examinee ON examinee.eeid=eeexam.eeid; E. SELECT  * FROM eeexam JOIN examinee USING(eeid); F. SELECT * FROM eeexam CROSS JOIN examinee; G. SELECT * FROM eeexam NATURAL JOIN examinee WHERE examinee.eeid=eeexam.eeid; H. SELECT * FROM eeexam JOIN examinee WHERE examinee.eeid=eeexam.eeid;