Answer:
A. He should think before acting.
Explanation:
In this scenario Don shouts at his subordinates if they fail to meet his expectations, severely affecting his relationship with his subordinates.
Don is obviously impulsive in his reaction to situations.
When he takes the time to think and weigh the benefit of shouting on his subordinates, he will realise this is an unproductive strategy.
Rather he should find out why employees did not meet his expectations and formulate ways to.make them more productive