Which of the Following Sequences of Events Correctly Describes Cough

Which of the following sequences of events correctly describes cough etiquette?

A) Coughing or sneezing into their hands and then immediately washing hands with alcohol-based soap
B) Coughing or sneezing into a tissue and discarding the tissue into a biohazardous waste container
C) Coughing into a tissue,disposing of the tissue in a garbage,followed by washing hands with soap and water
D) Coughing into a tissue or cloth that can be reused to save resources,then using alcohol-based hand rub immediately