【2016·上海】Reading Comprehension
Section A
Directions: For each blank in the following passage there are four words or phrases marked A, B, C and D. Fill in each blank with the word or phrase that best fits the context.
In the 1960s, Douglas McGregor, one of the key thinkers in the art of management, developed the mow famous Theory X and Theory Y. Theory X is the idea that people instinctively 51 work and will do anything to avoid it. Theory Y is the view that everyone has the potential to find satisfaction in work.