标题: 这里求指教。and平行结构逗号用法subject to用法 [打印本页] 作者: bessieUNL 时间: 2013-7-19 18:36 标题: 这里求指教。and平行结构逗号用法subject to用法 Though the law will require emissions testing of all diesel vehicles, from tractor trailers to excursion buses, it will have no effect on sport utility vehicles, almost all of which are gasoline powered, and will not be subjected to emissions-control standards as stringent as they are for diesel-powered vehicles.
A. powered, and will not be subjected to emissions-control standards as stringent as they are for
B. powered, and therefore not subjected to emissions-control standards that are as stringent as those of
C. powered and therefore not subject to emissions-control standards as stringent as those for
D. powered, which are not subject to emissions-control standards as stringent as they are for
E. powered and therefore they are not subject to emissions-control standards as stringent as those of