Whathappenstonitr ogeninbodytissuesifadiverascendstooquickly?
A)Itformsbubbles.
B)Itgoesdirectlytothebrain.
C)Itisreabsorbedbythelungs.
D)Ithasanarcoticeffect.
正确答案：A答案：A
[试题分析]细节题。
[详细解答]第三段提到"Ifthereturntothesurfaceistoorapid，nitr ogeninthetissuesandbloodcannotd iffuseoutr apidlyenoughandnitr ogenbubblesareformed.”，显然，答案A复合文章意思，应为正确答案。
