prep 1-83 that问题

Stock levels for domestic crude oil are far lower than in past years, leaving domestic oil prices　vulnerable to any hints of oil supplies being disrupted in the Middle East or to any unexpected　consumer demand growth possibly prompted by colder-than-normal temperatures.

(A) leaving domestic oil prices vulnerable to any hints of oil supplies being disrupted in the Middle　East or to any unexpected consumer demand growth possibly

(B) leaving domestic oil prices vulnerable to any hints of oil supply disruptions in the Middle East or　any unexpected growth in consumer demand that might be

(C) leaving domestic oil prices vulnerable to any hints of oil supplies that are disrupted in the Middle East or to any unexpected growth in consumer demand as was possibly

(D) resulting in the fact that domestic oil prices are vulnerable to any hints of oil supplies being　disrupted in the Middle East or to any unexpected consumer demand growth possibly

(E) resulting in the fact of domestic oil prices that are vulnerable to any hints of oil supply　disruptions in the Middle East or to any unexpected growth in consumer demand that might be

答案是Ｂ，解释说：as不能作为关系代词引导定语从句,    关系代词正确的使用:that(指代人,GMAT语法中that不能指代人),which(指代物),who(指代人,主格),whom(指代人,宾格),whose(指代人或物)

这里ｔｈａｔ到底能不能指代人呢？前人说代词可以跳跃指代,但必须遵守人物一致,指代一致,主谓一致,逻辑正确等要求.当有上述条件限定的时候,代词的跳跃指代不会产生歧义，这里可不可以用代词that只能指代物来当成判断指代的一个标准呢？

没明白，你想选什么？

你的问题是哪里来的？哪里有as