-Before Joseph Lister's discoveries, …………

***A)clean, sterile operating theatres were unknown

B)there was an inefficient method of sterilisation

C)theatre staff followed strict preparation routines

D) surgery was always very dangerous

E) nobody took his theories seriously

***A)the sterile conditions in a modern operating theatre are the result of Lister's work

B)surgery includes danger despite all precautions

C)doctors had long suspected the importance of antisepsis

D)incisions are not necessary for minor operations

E)Joseph Lister was the greatest surgeon of his time