DNA strands are antiparallel, having both 3' and 5' ends. Which of the following answer choices best models the antiparallel structure of two complementary strands of DNA?
A.5' AGCTC 3'5' TCGAG 3'
B.3' AGCTC 3'3' TCGAG 3'
C.3' AGCTC 5'5' TCGAG 3'
D.3' AGCTC 3'5' TCGAG 5'