From the options above the one with strongest connotation to replace one poor word would be: (C) Miserable
Speech is not innocent and words are sometimes, consciously or unconsciously, charged with an interpretation different from what is said. In this miserable case it could be taken in a derogatory way or simply as a person who is having a bad time and being very sad feels miserable. Although surely, there could have some other interpretation of the word.
Strung is an action verb.
He spent all the money
He helped the poor
The answer is D. Who; subject. Hope this helped!
Just after Gregor's metamorphose it is possible to see that there is a distance between him and the rest of his family, Kakfa explains what is going on but there is no dialogue to show that the distance between Gregor and his family widens, one example is when Greta thinks that Gregor needs more space, decides to remove Gregor and Gregor is anxious about this, showing the misunderstanding between him and his family.