----Have you finished your work?----No,I ___.A.have just startedB.just startedC.am just starting

问题描述:

----Have you finished your work?----No,I ___.A.have just startedB.just startedC.am just starting

B,我才刚开始.A时态不对,have done 是完成时,
C 的意思是我将要开始,不不符合语境,题意应该是被问者已经在做,提问者才会问结束了没.