하드락 헤비메탈 팬들은 뒤로가기 눌러라..
이 분야 잘 모르는 사람들만

1번 - B
2번 - D

이런 식으로 맞춰보셈

1번
<iframe width="640" height="360" src="https://www.youtube.com/embed/twfsuaI9gmc" frameborder="0" allowfullscreen mozallowfullscreen="mozallowfullscreen" msallowfullscreen="msallowfullscreen" oallowfullscreen="oallowfullscreen" webkitallowfullscreen="webkitallowfullscreen"></iframe>

2번
<iframe width="640" height="360" src="https://www.youtube.com/embed/KAflEKM3Ccw" frameborder="0" allowfullscreen mozallowfullscreen="mozallowfullscreen" msallowfullscreen="msallowfullscreen" oallowfullscreen="oallowfullscreen" webkitallowfullscreen="webkitallowfullscreen"></iframe>

3번
<iframe width="640" height="360" src="https://www.youtube.com/embed/y--23ECYxxE" frameborder="0" allowfullscreen mozallowfullscreen="mozallowfullscreen" msallowfullscreen="msallowfullscreen" oallowfullscreen="oallowfullscreen" webkitallowfullscreen="webkitallowfullscreen"></iframe>

4번
<iframe width="640" height="360" src="https://www.youtube.com/embed/HpwUTJsI3xI" frameborder="0" allowfullscreen mozallowfullscreen="mozallowfullscreen" msallowfullscreen="msallowfullscreen" oallowfullscreen="oallowfullscreen" webkitallowfullscreen="webkitallowfullscreen"></iframe>

5번
<iframe width="640" height="360" src="https://www.youtube.com/embed/XOyPDSqNx8o" frameborder="0" allowfullscreen mozallowfullscreen="mozallowfullscreen" msallowfullscreen="msallowfullscreen" oallowfullscreen="oallowfullscreen" webkitallowfullscreen="webkitallowfullscreen"></iframe>

A