28. eventually, ac replaced most dc systems. but dc did not disappear completely. automobile ignitions use…

28. eventually, ac replaced most dc systems. but dc did not disappear completely. automobile ignitions use dc batteries, and all the subways in new york city still use dc. until 2005, most of the electricity in manhattan was dc, but ac lights up most of the united states today. the ac system has _________.\na exploded b frozen\nc crashed d prevailed
Answer
Answer:
D. prevailed
Brief Explanations:
El texto dice que el sistema de corriente alterna (AC) reemplazó a la mayoría de los sistemas de corriente continua (DC), lo que significa que triunfó o prevailió. Las otras opciones no se ajustan al contexto.