Laurence has hardly worked since he graduated from university
three years ago
A. Laurence has been working hard for the past three years since graduating from university
B. If Laurence had worked harder in university, he would have found work after he graduated three years ago
C. Laurence has done very little work during the three years since he graduated from university
D. It has been hard for Laurence to find work since three years ago, when he graduated from university