｛  ｝とは強いものが弱いものに、暴力、言語、無視などで、身体的、心理的に苦痛を与え、それが反復継続してなされたものである

A．All Mozart music can help children improve their intelligence score.
B．Mozart's music has its own unique magic while other musicians do not have.
C．The effect can last more than 15 minutes after listening to the music.
D．It only works for the certain tests that focus on visual spatial reasoning