请帮忙解释下GWD1-Q29:

sallyyou

Faulty voting equipment, confusing ballots, voter error, and problems at polling places have been cited by a new study of the 2000 United States presidential election, which estimated that they did not count 4 million to 6 million of the 100 million votes cast. 

 

1. Faulty voting equipment, confusing ballots, voter error, and problems at polling places have been cited by a new study of the 2000 United States presidential election, which estimated that they did not count 4 million to 6 million of the 100 million votes cast.

2. Citing faulty voting equipment, confusing ballots, voter error, and problems at polling places, a new study of the 2000 United States presidential election has estimated that 4 million to 6 million of the 100 million votes cast were not counted.

3. Citing faulty voting equipment, confusing ballots, voter error, and problems at polling places, 4 million to 6 million of the 100 million votes cast were not counted in the 2000 United States presidential election, a new study estimates.

4. A new study has cited faulty voting equipment, confusing ballots, voter error, and problems at polling places in estimating that 4 million to 6 million of the 100 million votes that were cast had not been counted in the 2000 United States presidential election.

A new study of the 2000 United States presidential election, citing faulty voting equipment, confusing ballots, voter error, and problems at polling places, has estimated 4 million to 6 million votes had not been counted of the 100 million votes cast.

            看着有点乱，如果挨个看，比较慢，考试时候时间不一定够啊，请NN帮帮忙。答案给的B.

teddylydia

可以用比較刪去法

A為原句，所以先擺一邊不看(若BCD皆不合則回去選A)，接下來比較BCD的不同

D不該把a new study擺在主詞，有改變句意的嫌疑，所以排除，剩下BC

BC前半段相同，不同點在於a new study的角色，C也有改變句意的嫌疑

所以選B

sallyyou