问题补充：
----What time do you start work?
---- .
A. It’s none of your business.
B. It varies.
C. From 8 a.m. to 4 p.m.
D. It doesn’t make any difference
答案：
A. It’s none of your business.
(答案→)B. It varies.
C. From 8 a.m. to 4 p.m.
D. It doesn’t make any difference
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