My thoughts were now wholly employed about securing myself again

My thoughts were now wholly employed about securing myself against either savages, if any should appear, or wild beasts, if any were in the island; and I had many thoughts of the method how to do this and what kind of dwelling to make, whether I should make me a cave in the earth or a tent upon the earth: and, in short, I resolved upon both, the manner and description of which it may not be improper to give an account of.
Questions:
A. Identify the author and the title of the novel from which the quoted part is taken.
B. Who is the narrator?
C. What does the writer describe in this chapter from which this quoted part is taken?
【正确答案】：A. Daniel Defoe; Robinson Crusoe.
B. Robinson Crusoe.
C. The writer describes the first days when Robinson is cast onto the shore of an island.