Replace the underlined words with an idiom. There are bad characters in every community.

bad goat black Goat bad sheep black sheep

black sheep

Option 4: black sheep is the most appropriate idiom to replace the underlined words "bad characters" in the sentence "There are bad characters in every community." The idiom "black sheep" is used to describe a person who is considered to be bad or evil, especially within a family or group. It is often used to refer to someone who is different from the others in a negative way.