We had . . . . . . . . really good time yesterday. A. a B. an C. the D. no article

The correct answer is: D. no article

We had a really good time yesterday.

The word “time” is an uncountable noun, which means it cannot be used with a definite article (the) or an indefinite article (a or an).

Uncountable nouns refer to things that cannot be counted individually, such as water, air, or love. They are usually preceded by