Authorities have been unable to establish how he died , so further tests on the 20-year - old have been ordered , the Los Angeles County Department of Coroner has revealed . TOXICOLOGY TEST ORDERED FOR DR andre young jr . dr . dre s son . DRE 'S SON : Autopsy alone could not determine cause of death andre young jr andre young .

Question with options to choose from: What may be the reason for ordering toxicology tests ?
pick from the following.
(a). None of the above choices ..
(b). They want to drag this out ..
(c). They want answers as to how the person died ..
(d). They want the media attention ..
(c).