题目内容
（请给出正确答案）
[主观题]
In today's society, the knowledge of a lifetime ______.A．is still very much valuedB．become
In today's society, the knowledge of a lifetime ______.
A．is still very much valued
B．become out of date quickly
C．is essential for continuing family occupations
D．helps the young generation to find a better job
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