From the alternatives suggested, select the answer that best expresses the same meaning as the expression italicized in each exercise.
Frances, where is your male visitor? Don't lie to me,
it is not possible that he has gone through the high window.
A. he couldn't have
B. he can't have
C. he shouldn't
D. he mustn't have
E. none of them
Correct Answer: A
Explanation
He couldn't have gone through the high window, meaning because it is not possible, it is an impossible instance.
