The word "sustainable" in the last paragraph is closest in meaning to__________.
A affordable
B available
C persistent
D continual
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正确答案:
D
本题解析:
【答案】D 根据文章最后一段倒数一句话“The challenge now is how we turn these findings into action and identify other sustainable lifeswle changes that will help US prevent breast cancer.”可知,面对挑战我们应 该“坚持”,sustainable是“可持续的意思”。D选项continual“可继续的”符合文意。