标题: <SC求教> 关于than 后面的do 的问题 [打印本页] 作者: smilingeye 时间: 2011-8-31 17:33 标题: <SC求教> 关于than 后面的do 的问题 A study commissioned by the Department of Agriculture showed that if calves exercise and associated with other calves, they will require less medication and gain weight quicker than do those raised in confinement. (source: OG 2nd edition verbal review SC38)
(A) associated with other calves, they will require less medication and gain weight quicker than do (B) associated with other calves, they require less medication and gain weight quicker than (C) associate with other calves, they required less medication and will gain weight quicker than do (D) associate with other calves, they have required less medication and will gain weight more quickly than do (E) associate with other calves, they require less medication and gain weight more quickly than ------------------------ OG 的解释为： the verb "do" ungrammatically interrupts the comparison and should be eliminated.