Q. . . . . . . . . little knowledge is . . . . . . . . dangerous thing.
✅ Correct Answer: (A)
a, a
Explanation: We use the indefinite article 'a' with singular countable nouns when the hearer/reader does not know exactly what we are referring to and also to say what someone is or what job they do.
Explanation by: Mr. Dubey
We use the indefinite article 'a' with singular countable nouns when the hearer/reader does not know exactly what we are referring to and also to say what someone is or what job they do.