After Maturing in Saltwater Habitats for About Four Years, Pacific

After maturing in saltwater habitats for about four years, Pacific salmon migrate—at considerable energetic cost—into upstream freshwater river habitats, where they spawn only once before they die.Atlantic salmon, in contrast, return to the sea following spawning and may repeat the migration and spawning pattern several times over multiple years.Which statement about these two species is the most correct?

A) Both species are iteroparous.
B) Both species are semelparous.
C) Atlantic salmon are iteroparous; Pacific salmon are semelparous.
D) Atlantic salmon are semelparous; Pacific salmon are iteroparous.
E) Atlantic salmon likely produce more offspring per year than Pacific salmon.