A.未加解釋的會(huì)計(jì)政策和會(huì)計(jì)估計(jì)變動(dòng) B.大額資產(chǎn)沖銷 C.頻繁的關(guān)聯(lián)交易 D.與銷售有關(guān)的應(yīng)收賬款的非正常增長(zhǎng)