C is my answer to this question
I’m assuming you’re asking what that means. It means that you should always do things the kind way, even if it doesn’t exactly line up with what should be done. For example, I’m sure you’ve seen the movie Aladdin. Aladdin was a beggar and didn’t have food, so he stole. The guards wanted to kill him, which was the right way to handle things. However, the kind way to have settled this was to let him have the bread because he was starving.
Answer:
I think the answer is Mayas made striking advances in writing, astronomy, and architecture, the Aztecs adapted earlier pyramid designs to build massive stone temples, and the Incas showed great skill in engineering and in managing their huge empire
Mary's watch isn't going, she should have it repaired.
Shoud have is a past modal verb. It is followed by a past participle. These verbs are used to show something that had a chance of happening but didn't. Other past modal verb phrases are could have and would have.