[单项选择]In my 30 years as (1) , I have tried to help parents understand that (2) discipline teaches a child why certain behavior is wrong and how to correct it. The main principle (3) teaching children (4) behavior is simple. When you see a child behave well, (5) him with praise, a smile, a hug or a pat on the shoulder--something that (6) you think he is a splendid little person.
This does (7) for a child’s behavior. (8) for example a four-year old boy, his two-year-old brother and their mother in a department store. The four year-old is not running down the aisles, (9) toys (9) shelves or tearing his brother. What’s his reward His mother (10) him and goes (11) her shopping, grateful for a few minutes of (12) . But (13) his behavior changes. He pushes his brother and starts (14) about. His mother immediately gives him attenti
A. the psychologist and educator
B. a psychologist and educator
C. a psychologist and an educator
D. the psychologist and the educator