What would Elizabeth Anscombe most likely think about the morality of the Allied

What would Elizabeth Anscombe most likely think about the morality of the Allied scatter bombing of German cities in World War II?
a.     It is wrong because the killing of civilians is always murder.
b.     It is wrong because war is always a violation of the nonviolent  principles put forth in the Bible.
c.    It was justified under the principle of double effect which allows for the killing of civilians if these unintended harms are outweighed by the benefits of the bombing.
d.     It was justified because Germany bombed England first.  As the unjust aggressor, the Germans, including the civilians, lost their noncombatant immunity status.