Read this excerpt from franz kafka's 'the metamorphosis and answer the question as soon as it struck ten, gregor's mother would speak gently to his father to wake him and try to persuade him to go to bed, as he couldn't sleep properly where he was and he really had to get his sleep if he was to be up tax to get to work busince he had been in work he had become more obstinate and would always inston staying longer at the table, even though he regularly fel asleep and it was then harder than ever to persuade him to exchange the chaw for his bed then, however much mother and sister would importune him with little reproaches and warnings he would keep slowly shaking his head for a quarter of an hour with his eyes closed and refusing to get up based on the context clues in the passage, which of the following words is the best example of an antonym for obs

She took up a scalpel and slit the monkey's abdomen, making a slow and gentle cut, keeping the blade well away from her gloved fingers. the spleen was puffed up and tough, leathery, like a globe of smoked salami. she did not see any bloody lesions inside this monkey. she had expected that the monkey's interior would be a lake of blood, but no, this monkey looked all right, it had not bled into itself. if the animal had died of ebola, this was not a clear case. she opened up the intestine. there was no blood inside it. the gut looked okay. then she examined the stomach. there she found a ring of bleeding spots at the junction between the stomach and the small intestine. this could be a sign of ebola, but it was not a clear sign. it could also be a sign of simian fever, not ebola. therefore, she could not confirm the presence of ebola virus in this animal based on a visual inspection of the internal organs during necropsy.