以下资源不能用来做PDSCH映射是（ ）
A.DMRS,including co-scheduled DMRS ports in the indicated CDM group without data
B.NZP CSI-RSfor CSI acquisition, beam management, tracking (TRS), excluding CSI-RS formobility
C.PT-RS及SSB
D.DetectedPDCCH。
正确答案是ABCD