In the first sentence of the second paragraph, the word "skyrocketed" most probably means ______.

A．the difference between general history and art history
B．the making of art history
C．what we can learn from art
D．the influence of artists on art history

A．a personal and emotional view of history is presented through it
B．it can easily rouse our anger or sadness about social problems
C．it will find a ready echo in our hearts
D．both B and C