Harry, a retired farmer, sells an old blender to Felicia, his next-door neighbor.Felicia is injured by the blender.Felicia can successfully sue Harry upon a theory of strict products liability if:

a.The product was in a defective condition when Harry sold it.

b.The product, by its very nature,was unreasonably dangerous to an user.

c.Felicia did nothing to substantially change the condition of the blender before she injured herself.

d.all of the above

e.none of the above