John returned with two workers, with help we finally got the car out of the mud.
A. whose
B. their
C. which
D. that
网友回答
(答案→)A. whose
B. their
C. which
D. that
解析：句意：约翰带着两个工人回来了，在他们的帮助下，我们最后把车从泥里面弄出来。这里使用了定语从句，先行词是workers，定语从句中的help缺少定语，用whose引导定语从句，所以选A。