The 2nd and 4th one due to the fact it doesn't give a valid reason but more of an effect of doing so.
Answer:
You might take the idiom literally and you might think something different happened
Hope this helps :)
Serpentine is snake like so the opposite would be D. straight
Hope this helps. :)
Answer:
C)
Explanation:
A) one day he'll take his drops and keep strictly to his diet and go to bed in good time, but the next day unless I watch him he'll suddenly forget his medicine, eat sturgeon-which is forbidden-and sit up playing cards till one -clock in the morning.
B) well, even if I hadn't stayed up, this pain would have kept me awake.
C) praskovya fedororvna's attitude to ivan ilyich's illness, as she expressed it both to others and to him, was that it was his own fault and was another of the annoyances he caused her.
D) at the law courts too, ivan ilyich noticed, or thought he noticed, a strange attitude towards himself. It sometimes seemed to him that people were watching him inquisitively as a man whose place might soon be vacant.
E) as if the awful, horrible, and unheard-of thing that was going on within him, incessantly gnawing at him and irresistibly drawing him away, was a very agreeable subject for jests.
All of these are great answers but I like d. d is the best out of all the answers so far. picking d will give you that .5 to pass that class my friend