-- When did they get down to the job?-- ____.A.Until they left B._英语解答

-- When did they get down to the job?
-- ____.
A.Until they left
B.Till they arrived
C.Since they finished it
D.Not until they turned to me
这道题怎么回事我见过一些解答很牵强

人气：199 ℃　时间：2020-01-26 07:37:12

解答

D 对,
A:他们什么时候开始这项工作的?
B:等他们向我请教后才开始的
not...until 表示：直到.才.
A,B是表示一段时间的.
c显然不对.