Each of the following is a part of the executive branch except
a. an agency
b. a court
c. an administration
d. a commission

I think the correct answer from the choices listed above is option B. Each of the following is a part of the executive branch except a court. A democratic government, like the United States, is composed of three different branches that perform their specific tasks to aid the government and its people. These three branches are the: Executive, Legislative, and Judiciary. The court belongs to the Judiciary branch of the government upholding justice and making decisions for the land based on existing laws.

The answer is installation.