The Idea That a DNA Sequence Is a Code for an Amino

The idea that a DNA sequence is a code for an amino acid sequence was first stated in

A) the paper revealing the genetic code, published in 1963.
B) the paper revealing DNA's structure, published in 1953.
C) the papers revealing the human genome sequence, published in 1953.
D) the papers revealing the human genome sequence, published in 2001.
E) the publication of the first map of single nucleotide polymorphisms.