The rules that govern political contributions are less stringent in local elections than they are in national elections because they typical involve smaller amounts of money and present less opportunity for abuse. D、Because local elections typically involve smaller amounts of money and present less opportunity for abuse than national elections, the rules that govern local political contributions are less stringent than national contributions E、The rules that govern political contributions are less stringent in local elections than they are in national elections because local elections typically involve smaller amounts of money and present less opportunity for abuse. 答案是D， 大家能解释一下为什么不能选E么？？ | 
