UNIT 13 & 14CHOOSE THE BEST ANSWER IN EACH SENTENCE

31. Choose the answer that has the same meaning as the original sentence:

Your carelessness caused the accident.

a. It is the accident that your carelessness caused.

b. It was the accident that your carelessness caused.

c. It is your carelessness that caused the accident.

d. It was your carelessness that caused the accident.