Having finished the work, _____.

A. it was almost six o'clock

B. a postman came and delivered the evening paper and some letters

C. supper had already been prepared

D. we had a rest and then had supper

Having finished the work,_____.                          A. it was almost six o'clock

     B. a postman came and delivered the evening paper and some letters

     C. supper had been already prepared                   D. we had a rest and then had supper