填空题

In deciding to undertake dangerous pursuits, people (usually) strive for their maximum personal ability rating, (when) they (are challenged) but can be victorious, rather than merely (surmounting the mediocre).
  • A. usually
  • B. when
  • C. are challenged
  • D. surmounting the mediocre

【参考答案】

D应改为surmount the mediocre。