**The Yangtze finless porpoise, found only in China's Yangtze River, is now critically endangered. Conservation efforts include protected reserves, restrictions on commercial fishing, and captive breeding programs. Despite these efforts, the population has dropped by more than 80% over the last 30 years.** The text most strongly suggests that:
AConservation efforts have completely failed
BThe porpoise is already extinct
CWhile conservation efforts are in place, additional or different measures may be needed because the population has continued to decline sharply
DFishing has no impact on the species
Answer & Solution
Correct answer: C. While conservation efforts are in place, additional or different measures may be needed because the population has continued to decline sharply
The text describes conservation measures yet notes population decline of 80%+, implying the current approach is insufficient. Option B captures this nuanced reading. Option A is too strong; Option C contradicts (the species is endangered, not extinct yet); Option D contradicts (the passage mentions fishing restrictions because fishing is harmful).
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