5) How do you know that the General see Rainsford in the tree? Why doesn't he finish Rainsford off here?

Zaroff--a psychotic retired-war general is quite impressed with Rainsford poor decision to hide in a tree. Despite seeing him, Zaroff wishes to save Rainsford for another day to keep his hunt exciting.

i agree, but what is the question here?

explanation:

mark twain, real name samuel langhorne clemens, was an american writer, humorist, entrepreneur, publisher, and lecturer. among his novels are the adventures of tom sawyer and its sequel, the adventures of huckleberry finn, the latter often called "the great american novel". wikipedia