Answer:
B. harmed more patients with infections than they helped with surgery.
Explanation:
Before Joseph Lister was inspired by Pasteur's germ theory to perform sterile operations, doctors harmed more patients with infections than they helped with surgery.
This was because doctors didn't do enough to prevent the spread of bacteria through surgical equipment and in the end they ended up causing more problems for their patients than the help they gave.
Prior to Joseph Lister's sterilisation which was influenced by Pasteur's germ theory, surgeons were unhygienic and didn't wash their hands or change their clothing before surgery which made infections after surgery widespread.
C the attitude of the writer
The difference between a monologue and a soliloquy is in the fact that in a monologue, the speaker is addressing an audience, whereas in a soliloquy, the author is just thinking out loud, as it his intended for himself. This is used so that the audience can better understand the internal struggles of the character.
Its past, "have experienced" meaning they've already been through it
<span>Keeping this definition in mind, most of the lines in the prologue alude to the fact that the play will be a tragedy. It talks about how civil blood will make civil hands unclean, how two star-crossed lovers will take their own lives, and how their deaths will end a long-term dispute between two respectable families.</span>