question 2
A、They need to be taken seriously.
B、They have a huge effect on fishery.
C、They might be causing trouble to air flights.
D、They may be affecting the world's climate.
What do NASA officials think about the thick clouds?
新闻结尾提到，美国宇航局官员称，这些厚云层可能非常巨大，有些长达数百公里，很可能正在对全球气候产生一些影响。选项D的说法与新闻内容一致，故为正确答案。其余三项新闻并未提及，均可排除。
A、They need to be taken seriously.
B、They have a huge effect on fishery.
C、They might be causing trouble to air flights.
D、They may be affecting the world's climate.
What do NASA officials think about the thick clouds?
新闻结尾提到，美国宇航局官员称，这些厚云层可能非常巨大，有些长达数百公里，很可能正在对全球气候产生一些影响。选项D的说法与新闻内容一致，故为正确答案。其余三项新闻并未提及，均可排除。