Which of the following statements concerning DNA structure is incorrect?

A) The two strands of a double helix are complementary and anti-parallel
B) he structure was first predicted by Watson and Crick in 1953 to be arranged as a double-stranded helix.
C) The final structure disproved the work leading to Chargaff's rule.
D) X-ray diffraction patterns indicated a double-stranded structure with repeating substructure every 0.34 nm
E) None of these