Choose the sentence A, B, C or D which is closest in meaning to the first sentence of each of the questions from 1 to 5.
The workers are going on strike next week.
A.It’s not certain that the workers will go on strike next week.
B.The workers haven’t arranged to go on strike next week yet.
C.The workers have decided to go on strike next week.
D.The workers doubt that they will go on strike next week.