Compound word.
Don't mind the "x" and "z" if you look at the included image.
This might help. It is the image.
http://www.enchantedlearning.com/alphabet/wordforeachletter/compoundwords/answerstiny.GIF
I am not very sure but I would probably use on the other hand or therefore.
Answer:
The early evening darkness after the end of the period is linked to depression. The risk of suffering a heart attack is also increased when begins.
Explanation:
Answer:
Kafka believes that his father would have felt bad if he knew kafka was such unhappy
Explanation:
Kafka always kept quiet even if things are going wrong because the father do not give him chance to express his opinion on issues that worries him
Answer: C
Explanation: It makes the most sense. Sorry it my explanation doesn’t make sense, but grammatically C is the best option I think :)