The human immunodeficiency virus (HIV) is a retrovirus that infects immune cells. Which of the following aspects of HIV biology would be theoretically useful targets or strategy for elimination of viral spread? Select all correct answers

A - chromatin status of the region of viral integration in the host genome

B - the tat protein that interferes with transcription termination in the host cell

C - the enzyme required for viral reverse transcription

D - inhibition of RNA polymerase II CTD phosphorylation