Answer:
As a city upon a hill
Explanation:
This is a reference to Biblical scripture. God said that HIs people (Christians) were as a city upon a hill. This means that we are an example of Christ before the whole world.
The verb here is "had given"; this is past perfect: it's a perfect tense, because it has a past participle with the -ed ending ("given") and it's the past perfect because the auxiliary verb is the past form of "have": had.
The answer is the first one, you must always cite your sources, even if you have not directly quoted them. It also adds credibility to your work (this is not the only reason, it is merely an incentive)
He explains how beautiful it is