I believe that it is idiom because that is a commonly used expression
Complex because it has a subordinate clause.
C) topic
Usually you do not repeat the title in the paragraph it is normally the topic. When you repeat the topic it is when you need to remind the reader what you are talking about or how something relates to what is happening.
Answer: B) as a result
Explanation:
The meaning of the phrase "in consequence" is "as a result."
If something happens first, and something else happens afterwards in consequence, it happens as a result of the first event.
In this particular example, a man has lost his mind because of an event that is not mentioned, and has not been sane since then. His insanity is, therefore, a result (or a consequence) of that event. We can assume that the person described a traumatic event that the man experienced, and the other person replied with a question:<em> "And he lost his mind in consequence?"
</em>
Its C.The unseeing eye, skepticism, being lonely in a crowd
