What is the appositive in this sentence?

The president, an elected official of the United States, serves a four year term

A. The president
B. The president, an elected official
C. An elected official
D. An elected official of the United States

Does anyone know all the answers for the test?

No, not B.

Then it's D

Yes, D.

The appositive in this sentence is "an elected official of the United States."

To identify the appositive, you should look for a noun or a noun phrase that provides additional information about another noun in the sentence. In this case, "an elected official of the United States" gives more information about "the president."

So, the correct answer is D. An elected official of the United States.