. . . . . . . . best runner in the race was . . . . . . . . young girl. A. a, an B. the, an C. no article, the D. the, a

The correct answer is: A. a, an

The article “a” is used before singular nouns that refer to a general or unspecified person or thing. In this case, the best runner in the race is not a specific person, but rather a general example of a young girl who is a good runner.

The article “the” is used before singular nouns that refer to a specific person or thing that has already been mentioned or is known to the reader or listener. In this case, the best runner in the race is

The article “an” is used before singular nouns that begin with a vowel sound. In this case, the word “girl” begins with a consonant sound, so the article “an” is not used.

The article “the, a” is not a grammatically correct combination.