The Chinese language differs from Western languages ______, instead of an alphabet, it uses characters which _______ ideas, objects or deeds.

A．for which; take for

B．in that; stand for

C．in which; make for

D．on that; wish for

变压器吊心时铁心温度不应低于周围空气温度（）度

A.10

B.8

C.6

D.4