Which of the Following Occurs When DNA Is Replicated

Which of the following occurs when DNA is replicated?

A) The two strands of the parent DNA are separated and then recombined before being passed on to the daughter cell.
B) The two strands of the parent DNA are separated, and two daughter DNA strands are formed.
C) Each of the two strands of parent DNA is reordered through the process of linkage, adding significant variation to the daughter cells.
D) One strand of the parent DNA is preserved; the other is destroyed.