Question

---I ________ in this school since I graduated from college．

---Now I am still working here．

1. A.
   worked
2. B.
   work
3. C.
   had worked
4. D.
   have been working

Answer 1

D
本句意为“我从毕业以后到现在一直在这个学校工作”。现在仍在这个学校工作，所以用现在完成进行时。