Is the following sentence true or false? a noun or pronoun is singular when it refers to one item.

In the franz kafka’s the metamorphosis after gregory turns into a giant insect he realizes his sister grete can’t stand to look at him. he hides from his sister and stays under a bedsheet.what does this act suggest about gregor?

Labode, roger. "ten best dog breeds." family. dec. 2002. pp 17-18. what is the word family? a. article title b. name of publication c. author's name d. publisher

Which of these can an adverbial clause modify?