During the VR service test, in order to maximize the downlink peak value of the cell, which of the following measures can be adopted?

During the VR service test, in order to maximize the downlink peak value of the cell, which of the following measures can be adopted?
A . Ensure the downlink LOS environment
B. Adjust the DMRS type of PDSCH to Type1
C. Adjust the time slot ratio from 8:2 to 7:3
D. Adjust the maximum number of downstream scheduled streams to 4 streams or higher

Answer: D