问题补充：
―Are you still busy?
―Yes, I my work, and it won’t take long.
A. just finish
B. am just finishing
C. have just finished
D. am just going to finish
答案：
A. just finish
(答案→)B. am just finishing
C. have just finished
D. am just going to finish
解析：现在进行时表将来，第二句句意为：是的，我正要完成工作，它不会花费太长时间的。
