I’M SURE IT WASN’T MR. PARK YOU SAW AT THE CONFERENCE BECAUSE HE I...

48. I’m sure it wasn’t Mr. Park you saw at the conference because he is in Seoul now.

A. It mustn’t have been Mr. Park you saw at the conference because he is in Seoul now.

B. It couldn’t be Mr. Park you saw at the conference because he is in Seoul now.

C. It can’t have been Mr. Park you saw at the conference because he is in Seoul now.

D. It mightn’t be Mr. Park you saw at the conference because he is in Seoul now.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines

each pair of sentences in the following questions.