Choose the correct sentence:

A. He used the phrase You know so often that I finally said, No, I don't know

B. He used the phrase "You know" so often that I finally said, no, I don't know.

C. He used the phrase you know so often that I finally said, "No, I don't know."

D. He used the phrase "You know" so often that I finally said, "No, I don't know."

সঠিক উত্তরঃ D. He used the phrase "You know" so often that I finally said, "No, I don't know."

Explanation: