题目内容：
Language skill（ ）.
A．contains the ability of five skills in listenin9，speakin9，reading，writing and translating B．refers to a person’S application ability of words and sentences when speaking
C．contains the ability of four skills in listenin9，speakin9，reading，writing and comprehensive application of them
D．refers to a person’S language expression ability
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答案解析：