Jeff Needs to Buy His Textbooks for the Coming Semester

Jeff needs to buy his textbooks for the coming semester of college. It is only two weeks before the first day of class, and he still has not made a purchase. Jeff wants to buy them somewhere other than the bookstore since he is still living at his parents' home and won't be on campus until the day before class. Jeff goes online and looks for sites that sell the textbook. Then he remembers that one of his friends had said something earlier about finding the book for a great price. Jeff then calls his friend to get the name of the site. In terms of Jeff's buying decision process, his going online to look for sites was part of _______, and his calling a friend was ______.

A) problem recognition; external search.
B) information search; internal informational search.
C) external information search; also external information search
D) internal information search; external information search.
E) external information search; internal information search.