Which of the Following Is True of Some Kind of Mutation

Multiple Choice

Which of the following is true of some kind of mutation other than a frameshift mutation?

A) They can be caused by the addition of a nucleotide.
B) They occur most often of all mutations.
C) They can be caused by the deletion of a nucleotide.
D) They cause nonfunctional proteins to form.
E) They only affect one codon.