问大家一道填空题。。。

(i)_____ have often shrilled that Australia’s Great Barrier Reef is dying, a result of agricultural runoff from the (ii)_____ Queensland coast. In truth, the preservation of the reef (iii)_____, a combination of active government intervention and the beneficial effects of responsible tourism.

第二空 为什么不可以是long-abandoned? 可以根据逻辑判断吗