What was the controversy of the history of chinook salmon in the Guadalupe River and what do we know now about their history?

Group of answer choices

A. That Chinook Salmon did not historically spawn in the Guadalupe River and that DNA analysis proves that in fact, they did not as no chinook DNA was found in bone remains.

B. That Chinook Salmon historically did not spawn in the Guadalupe River and DNA analysis of bones shows that historically they were in the river.

C. That Chinook Salmon are currently in the Guadalupe River and that DNA analysis proves that they were never in the river.

D. That Chinook Salmon do not belong in the Guadalupe River and were never historically found in it.