Which Is/are True of Viruses

Multiple Choice

Which is/are true of viruses?

A) They may suppress the production of MHC Class I protein.
B) They may produce an MHC Class I mimic protein.
C) They may prevent cell suicide.
D) They may bind to MHC class II antigens.
E) They may suppress the production of MHC Class I protein,they may produce an MHC Class I mimic protein,AND they may prevent cell suicide.