The correct answer to this open question is the following.
You did not include the article or the link to access it. Without that information, we do not know specifically what you are referring to.
However, trying to help, we can comment on the following terms.
There is an article titled <em>"Slowing Gulf Stream Current to Boost Warming for 20 Years,"</em> written by Matt McGrath on July 19, 2018, that exposes the concerns of environmental scientists about the issue of how the gulf stream is slowing down and the effects this could have in the short and medium terms.
One of the consequences of this phenomenon could be the cooling of Europe and other parts of the world in a relatively short period. Scientists think that this situation and the melting of the ice caps in the North Pole will add to the severity of the cooling of the world, and the consequences for humans.
D) would be the best answer. Have a Great day :)
A - he overcame great odds to achieve his goals
