题目内容：
"As many languages are as one speaks, so many lives one lives. " means__________.
A．if one learns many foreign languages, one will have a better understanding of his own language B．life is richer and more interesting if one knows several languages
C．no matter how many languages one knows, one can never know more than one' s own
culture
D．if a person speaks only one language, he will live a very happy life
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