The boss brought matters to a head by forcing him too work more. A. made him unhappy B. created a lot of unhappiness C. created an atmosphere of confrontation D. brought matters to a decisive point

The correct answer is D. brought matters to a decisive point.

The boss brought matters to a head by forcing him to work more. This means that the boss forced the employee to work so much that the employee was forced to make a decision about whether or not to continue working for the boss. This is a decisive point because it is a point at which the employee must make a choice about their future.

Option A is incorrect because the boss did not make the employee unhappy. The boss forced the employee to work more, but this does not mean that the employee was unhappy. The employee may have been unhappy, but this is not what the sentence is saying.

Option B is incorrect because the boss did not create a lot of unhappiness. The boss forced the employee to work more, but this does not mean that the boss created a lot of unhappiness. The employee

Option C is incorrect because the boss did not create an atmosphere of confrontation. The boss forced the employee to work more, but this does not mean that the boss created an atmosphere of confrontation. The employee may have been confrontational, but this is not what the sentence is saying.