问题补充：
Some drivers drive fast that they make people are trying to cross the road afraid.
A. too, who
B. even, that
C. so, who
D. such, that
答案：
A. too, who
B. even, that
(答案→)C. so, who
D. such, that
解析：句意：一些司机开车是如此的快以至于他们使正要过马路的人感到害怕。分析考查so…….that如此……以至于；第二空考查定语从句，先行词是人，并且在从句作主语，因此引导词用who,故选C
