Which of the following paragraphs best describes the scientific achievement of discovering the structure of DNA?
A) DNA is a complex molecule found in all living organisms. Its double helix structure was discovered by Watson and Crick in 1953, with contributions from Rosalind Franklin and Maurice Wilkins. This discovery was crucial for understanding genetics.
B) Deoxyribonucleic acid, or DNA, carries genetic instructions for the development, functioning, growth, and reproduction of all known organisms and many viruses.
C) Scientists have been studying DNA for many years. It looks like a twisted ladder and is very important for life.
D) The structure of DNA is very detailed and involves base pairs, nucleotides, and phosphodiester bonds. It's too complicated to explain simply.