Read the sentence from Barrio Boy by Ernesto Galarza. People talked to one another on the street in low tones; only drunks and muchachitos mal educados raised their voices, or the arrieros when they shouted to their donkeys.

Which words best signal that "muchachitos mal educados" has a negative connotation?

A. People talked
B. on the street
C. raised their voices
D. their donkeys