What does it mean that DNA replication is a semiconservative process? responces

The replicated DNA will contain two totally new DNA strands.
The replicated DNA will only be half the same nucleotide order as the parent DNA.
Only the top strand is used for DNA replication
The replicated DNA will contain one strand from the parent the original DNA and one new strand.

The correct response is:

The replicated DNA will contain one strand from the parent (the original DNA) and one new strand.

In semiconservative DNA replication, each single DNA strand acts as a template for the synthesis of a complementary strand. As a result, the replicated DNA molecule will consist of one original (parental) strand and one newly synthesized strand.