Its major enemies are fish and crabs, when attacked, it squirts all its internal organs into the water. It also casts off attached structures such as tentacles. The sea cucumber will eviscerate and regenerate itself if it is attacked or even touched; it will do the same if the surrounding water temperature is too high or if the water becomes too polluted.
The phrase "casts off" is closest in meaning to which of following?
(A) grows again
(B) grabs
(C) gets rid of
(D) uses as a weapon
正确答案： C
cast off
脱下;解开;摆脱;抛弃
[例句]Anyone who wants japan to cast off its 20-year economic funk will welcome that.这是任何想让日本摆脱20年经济低迷的人想要的结果。
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