题目内容

Success in life doesn’t happen     . It’s the result of devoting your time and energy to what you’ve set out to do.
A．by forceB．by designC．by accidentD．by choice
C

试题分析：A. by force用武力，B. by design故意地，C. by accident偶然地， D. by choice自愿，句意：人生中的成功不是偶然发生的，是将你的时间和精力花费在你要开始做的事情上的结果。。所以选C。
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