What is the position of the head of human-resource management in an American firm

A．Ask Dr. Smith to alter his decision.
B．Ask Dr. Smith to call the library.
C．Get the book directly from Dr. Smith.
D．Get Dr. Smith’s written permission.

A．Because the bottle was empty and useless.
B．Because he wanted to lighten the load of his small plane.
C．Because the bottle might be useful to the native Africans.
D．Because he wanted to amuse the local tribes people.