Okay. I cannot see the article, again but will try my hardest to answer this anyway.
The purpose can usually be seen in the first sentence or paragraph (unless you have an excerpt). Though it may not be too specific it will usually be backed up by evidence later in the passage. A purpose can always be proven by text details.
Choice of details: should support the purpose
organization: Some things are good for some purposes.
e.g. cause effect, shows the good or bad effects of a purpose. The author can support the purpose or no.
chronological can show how something has changed over time.
etc.
Try to identify the main structure and how the passage is organized and how it supports the main idea.
The answer is d) Love is a rose with horns. A metaphor is a comparison that directly compares one object to another, without the use of like or as.
The men are filled with joy as the bombs fall around them because they want the Germans to be defeated. Wiesel mentions how they've heard the Germans were losing some battles, but this was the first time they had proof. This shows that they "no longer fear death". They have been living with so much death that it is a regular occurrence. Also, a death that is caused as a result of Germany's defeat is better than a death at the hands of the Germans.
Answer: A
Explanation:
The evolution of dogs is a scientific topic that has a lot of scientific research backing it up. So, the most reliable source would be one that is revised by people well versed in this area of knowledge. An academic paper revised by peers is an official, trustworthy source.