The answer is C. Duchamp's L.H.O.O.Q. He copied the Mona Lisa with a mustache and goatee (or small beard if you will). The abbreviated words sound similar to French slang when read aloud "elle a chaud au cul" which means "she's hot for it" implying that a woman has a strong sexual restlessness. The Mona Lisa is a man, literally, as Duchamp puts it.
<span>Pointed arch, steel frame construction, frame construction
</span>
I would say all of them are dangerous
but SCP-343 is the most dangerous
<span>The High Renaissance period is traditionally taken to begin in the 1490s</span>