标题: In doing 这是什么结构 [打印本页] 作者: wangjieava23 时间: 2012-3-11 19:13 标题: In doing 这是什么结构 In attempting to solve the problems caused by a lowering of the price of oil, oil companies operating in the North Sea have taken a variety of approaches, which includes their reducing employment, using new technology to pump oil more efficiently from smaller fields, and finding innovative ways to cut the cost of building and operating platforms.
A.which includes their reducing employment, using new technology to pump oil more efficiently
B.which includes reducing employment, using new technology to be more efficient in pumping oil
C.which include reducing employment, using new technology to pump oil more efficiently
D.which include the reduction of employment, their using new technology to pump oil more efficiently(C)
E.including a reduction of employment, their use of new technology to be more efficient at pumping oil
我会选答案，但是我又一个问题。In attempting to do something这是一个什么结构呀。作者: wangjieava23 时间: 2012-3-13 15:23
恩，刚才看到。