English             in many countries. But Chinese             their own language. [ ]

A. is spoken; speaks

B. speaks; is spoken

C. is spoken; speak

材料员的职业道德是该行业的特殊的道德要求，是（）在职业生活中的具体体现。

A.宪法

B.行业标准

C.个人素质

D.社会道德