Which sentence from the passage is a minor supporting detail?

A. "Humans have had a long and complicated history with chimpanzees."

B. "We do know that the use of chimps for science, in entertainment, and as pets, goes back hundreds of years."

C. "Spurred on by Goodall's findings, other researchers began studying chimpanzee behavior more closely."

D. "Zoos had long been one of the most serious offenders."