A competitive inhibitor of DNA helicase was introduced into a cell. How would the introduction of this inhibitor affect DNA replication?

A) There would not be enough energy to drive the DNA replication process

B) Free nucleotides would be unable to join complementary base pairs.

C) Nucleotides would be unable to join together by condensation reaction to form a polynucleotide.

D) Some of the DNA would be unable to separate into two strands.