Which of these would NOT necessarily be categorized as "active galaxies"?

Question

Quizplus · Accepted Answer

Active galaxies are characterized by their energetic processes and emissions, often linked to phenomena like radio galaxies, double-radio sources, and BL Lacertae objects, which are all associated with active galactic nuclei (AGN). However, the mere presence of a supermassive black hole in a galaxy (D) does not automatically categorize it as an "active galaxy"; it's the interaction and accretion processes around the black hole that can activate an AGN, making the galaxy "active."

Which of These Would NOT Necessarily Be Categorized as "Active