Which of the Following Pairs of Base Sequences Could Form

Multiple Choice

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

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