Choose the correct answer among A, B, C or D that best fits the space in each of the following sentences. Maryan: “Your dictionary is too old. I suggest you should buy a new one.” Paul: “

Choose the correct answer among A, B, C or D that best fits the space in each of the following sentences.

 Maryan: “Your dictionary is too old. I suggest you should buy a new one.”

  Paul: “ ___________. I think it's still useful.”