Which of the following pairs of base sequences could form a short stretch of a normal double helix of DNA?

A)5'-purine-pyrimidine-purine-pyrimidine-3' with 3'-purine-pyrimidine-purine-pyrimidine-5'
B)5'-AGCT-3' with 5'-TCGA-3'
C)5'-GCGC-3' with 5'-TATA-3'
D)5'-ATGC-3' with 5'-GCAT-3'
E)All of these pairs are correct.