Which of the below statements is true of the following text?

In a study published in April, ①scientists documented chimpanzees eating and sharing boozy fruit for the first time. ②Scientists noted the behavior probably isn’t rare. ③The researchers say their work further supports the “drunken monkey” hypothesis that Dudley proposed two decades ago, which argues that humans inherited an appetite for alcohol from our primate ancestors. At the time, ④scientists were skeptical of this idea. But now, ⑤“what we’re realizing from this work is that our relationship with alcohol goes deep back into evolutionary time, probably about 30 million years,” ⑥Catherine Hobaiter, a primatologist at the University of St. Andrews in Scotland who was not part of the study, tells BBC News’ Elizabeth Dawson and Helen Briggs.

The following text shows a violated-expectation logical connection. What is the expectation that is violated?

Although “wet” areas have been getting wetter, and “dry” areas have been getting drier, these shifts aren’t keeping step.

In the following text, what type of connector best fits in the blank to logically connect the ideas?

(      ) participants did not consciously perceive any changes in what they were seeing during the experiments, the brain scans revealed significant and lasting changes in neural activity.

What type of connector is ‘showed’ in the following text?

As physicist Stephen Hawking showed in 1970, the lighter a black hole is, the hotter it becomes and the more particles it emits through Hawking radiation.