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题库 / Prep2007E2-SC-131
Today's technology allows manufacturers to make small cars more fuel-efficient now than at any time in their production history.
small cars more fuel-efficient now than at any time in their
small cars that are more fuel-efficient than they were at any time in their
small cars that are more fuel-efficient than those at any other time in
more fuel-efficient small cars than those at any other time in their
more fuel-efficient small cars now than at any time in
请看讲解视频
简单题！错选a
比较选线ac，多斟酌（并不是越短就越对。）这道题是大意了。
small cars more fuel-efficient now than at any time in their❌
small cars that are more fuel-efficient than those at any other time in✅
两者比较才发现明显是c更正确，多用选项间比较
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