Answer:
W.H Auden presents helplessness of the Jewish people in 'Refugee Blues' which is set in 1930s Germany when the Jewish people were being persecuted by the Nazi. It is about the terrible plight of being a Jew in the wrong place at the wrong time. ... Auden uses imagery to convey the helplessness of the Jewish people.
Personal view. it is the personal view of some one.
The answer is C. limits the meaning of the word it describes.
It should not be set off by commas, it can occur at the beginning or the end of a sentence, and doesn't function as an adverb.
Example: The man who lives next door is old.
This restrictive clause limits "the man" to say it's specifically the one next door.
They are giving credit to where ever they got their information.
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