Trytospendyourtimejustonthethingsyoufind

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Try to spend your time just on the things you find_________.

A. worthing doing them B. worth being done

C. worthy to being done D. worthy of being done

【解析】考查worth，worthy的用法。此处worth后接动名词的主动式，worthy后接动名词的被动式。故D正确。