which of these is a polymer?\na single carbon atom\na strand of dna

which of these is a polymer?\na single carbon atom\na strand of dna
Answer
Brief Explanations:
A polymer is a large - molecule made up of repeating subunits. A single carbon atom is an atom, not a polymer. DNA is a nucleic acid and is a polymer as it is composed of repeating nucleotide subunits.
Answer:
a strand of DNA