I think the answer is to convey how a literary work uniquely portrays a situation, event, or location
Border marks where a country is : a country is encompassed by borders. This is similar to ocean and shores: shores mark where the ocean is: an ocean is encompassed by the shores.
The answer is d.
Conjunction, “If” is a conjunctional term that begins a sentence with a dependent clause
When water is blue we all become blue so we should be water to be water
This sentence is a fragment