Answer:
The first one “Hearing the defendant’s crimes in the courtroom made su realize he was a menace to society”
Step-by-step explanation:
Meance means that “a person or thing that is likely to cause harm; a threat or danger.” according to Oxford Languages. This means that the last two are wrong automatically. The second one could be an answer, but the first Sentance makes overall better use of the word and is correct.