Draw blood means to hurt, wound, or make a successful attack in argument. The correct answer is this meaning because the expression is used figuratively, not only by its literal words.

Examples:

• The sharp question seemed to draw blood.
• In an HSC essay, Draw blood can express this meaning: to hurt, wound, or make a successful attack in argument.
• When this expression appears in a passage, connect Draw blood with the idea of to hurt, wound, or make a successful attack in argument.