<span>B. We were walking by the lake when we heard a siren.
C. By the time I graduated, I had attended three different high schools.
D. Though he had been rude at first, Rupert eventually won over the congregation
These three sentences are all correct, because even if the verb tense shifts it still makes sense within the context of the situation.</span>
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.
The answer is c. hope that helped
B. VERISIMILITUDE
In order to achieve VERISIMILITUDE, performers were asked to pretend that the audience wasn't present and the audience was asked to accept the staging as the real world.
Verisimilitude is defined as the appearance of being true/real.
Your answer is C, a person who has a close bond with a pet.