The word "schism"( Line 3, Paragraph 1 ) in the context probably means ______.

A．Environmentalists were blamed for antiscience in an essay.
B．Politicians are not subject to the labeling of antiscience.
C．The "more enlightened" tend to tag others as antiscience.
D．Tagging environmentalists as antiscience is justifiable.

A．discuss the cause of the decline of science's power
B．show the author' s sympathy with scientists
C．explain the way in which science develops
D．exemplify the division of science and the humanities