<span>They decide to wait until nightfall to peek into the Radley house because it would be harder for other people to see them at night. Also it would be easier for them to see into the dark Radley house. They do not think that Attucus will notice them being gone.</span>
...a type of commitment in which the parents of a boy and agirl agreeon having them marry.
According to the information available on this excerpt, a betrothal is a promise which can be later modified, in which the parents of a boy and a girl promise to marry them. This could also be a definition of arranged marriage.
Answer:
Option D
Explanation:
The reason is option D or "music has been proven to calm animals and to make humans smarter." That is because the entire paragraph was about the science to why humans enjoy music so much. Earlier sentences suggested MRI scans, monitoring brain activity, and people being willing to spend more on music based on their brain activity. The final sentence was information about how music calms animals when the entire paragraph was about the science to why humans enjoy music which is why that is your answer.
Hope this helps.