Final answer:
AC/DC influenced the development of metal music in the 1980s by infusing bluesy guitar riffs with hard rock elements. Their straightforward, hard-hitting style laid the groundwork for many metal bands that followed, cementing their place as icons in the genre. The correct option is C.
Step-by-step explanation:
The influence of AC/DC on the development of metal music in the 1980s is best described as infusing bluesy guitar riffs with hard rock elements.
This legendary band, known for their raw energy and powerful performances, contributed significantly to the genre's defining sound. The hallmark of AC/DC's style involves straightforward, catchy riffs and a solid rhythm section that paved the way for many metal bands that followed.
AC/DC's sound was rooted in blues, but they amplified it with a high-voltage approach that inspired later metal acts. Their no-nonsense rock and roll ethos was characterized by thunderous yet simplistic guitar work, unrelenting drum beats, and distinctive vocals.
This combination helped shape the sound of hard rock and metal, focusing less on the extravagances of glam or the complexities of progressive metal. The correct option is C.