One Might Criticize the Argument That There Is Something Important

One might criticize the argument that there is something important in itself about being natural on the grounds that

A) not everything natural is valuable, so it is difficult to explain why the valuable natural things are valuable.
B) not everything valuable is natural, and it is difficult to explain why natural things would be valuable.
C) not everything natural is valuable, so being natural cannot explain why anything is valuable.
D) not everything valuable is natural, so being natural cannot explain why anything is valuable.