Read the following passage and mark the letter A, B, C, or D to indicate the correct answer that best fits each of the numbered blanks.

When do people decide whether or not they want to become friends? During their first four minutes together, ___(1)___ a book by Doctor Leonard Zunin.

When we are introduced to new people, the author says, we must be ___(2)___ and self-confident. On the other hand, we should not be too sure of ourselves. It is important to be interested and sympathetic, realizing that the other person ___(3)___ his own needs, fears and hopes.

The author believes that interpersonal relations ___(4)___ be taught as a required course in every school, along with reading, writing and mathematics. In his opinion, success in life ___(5)___ mainly on how we get along with other people. That is at least very important.