Which of the following is an indefinite article?

A. The
B. An
C. This
D. Those

B

Yes, "an."

The indefinite article in the given options is B. An.

The indefinite articles are "a" and "an." These articles are used before singular, countable nouns to refer to any member of a general group or category.

To determine the correct answer, you can look at the options provided. Option B is "An," which is one of the indefinite articles. Therefore, the answer is B.