Answer:
D. They can be any of the above
Step-by-step explanation:
Mutations can be beneficial to an organism because a mutation can help and organism survive in a particular environment.
Mutations can be neutral because because they do not change the amino acids in the proteins they encode.
Most mutations are not harmful, but some can be. A harmful mutation can result in a genetic disorder or even cancer.
So yes, the answer is all of the above.
Hope it helped!