C. The sentence is interrupted for some detail, thus needs a comma
Answer:You need to put the possible answer choices
Explanation:
C. would be the answer to this question hope this helps you out
D.<span>Birds have developed effective skills to survive.</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.
