A Compelling Argument Against the Death Penalty Rests on the Observation

A compelling argument against the death penalty rests on the observation that innocents have been executed. How does van den Haag respond to this argument?

A) He denies that innocents have been executed-after all, those who receive the death penalty have very long rap sheets.
B) He draws an analogy with war-there are acceptable causalities in war; likewise, there are acceptable causalities in the administration of justice.
C) He notes that almost any human activity-e.g., trucking, lighting or constructions, cost the lives of some innocent bystanders; yet we do not give up these activities.
D) All of the above