【2016高考训练】阅读下列短文, 从给的四个选项 (A、B、C和D) 中, 选出最佳选项。
In the mid1950s，I was a somewhat bored earlyado lescent male student who believed that doing_any_more_than_necessary_
was_wasted_effort.One day，this approach threw me into embarrassment.
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