26.According to the article, “as these cities boom, so does their vulnerability” in the first paragraph implies that _____.
(A) as the cities become larger, they are more capable of adapting to climate
change
(B) it gets more difficult for city people to work cooperatively when it grows larger
(C) as the cities grow larger, the climate change will become more fearfully
(D) more people and more assets could be exposed to damaging coastal floods