請問GWD4 Q33

[amyshen]

Competition in the mid-nineteenth century by large western farms gradually caused farmers in Pennsylvania to turn to livestock raising, but before that it was predominantly grain-producing.
A.Competition in the mid-nineteenth century by large western farms gradually caused farmers in Pennsylvania to turn to livestock raising, but before that it was predominantly grain-producing.

B.Once predominantly a grain-producing state, competition in the mid-nineteenth century from large western farms gradually was causing Pennsylvania’s farmers to turn to livestock raising.

C.Pennsylvania’s farmers were gradually caused to turn to livestock raising by competition from large western farms in the mid-nineteenth century, but before that it was predominantly a grain-producing state.

D.It was once predominantly grain-producing, but competition in the mid-nineteenth century by large western farms was gradually causing Pennsylvania’s farmers to turn to livestock raising.

E.Pennsylvania was once a predominantly grain-producing state, but competition in the mid-nineteenth century from large western farms gradually caused the state’s farmers to turn to livestock raising.

這題是E...這提該怎摸作答..我做的時候選A

[agk99]

感謝提問，喚起我差點遺忘的回憶

A.Competition in the mid-nineteenth century by large western farms gradually caused farmers in Pennsylvania to turn to livestock raising, but before that it was predominantly grain-producing.

這裡的it 有問題，你或許會說這是指賓州，但就原句主詞來看，我會認為是講競爭，同時that也有問題，指代不清的問題相當嚴重，此外，被動也不佳

B.Once predominantly a grain-producing state, competition in the mid-nineteenth century from large western farms gradually was causing Pennsylvania’s farmers to turn to livestock raising.

時態不佳，過去式即可不必過去進行式，同時competition會被誤為前面副詞片語的主詞

C.Pennsylvania’s farmers were gradually caused to turn to livestock raising by competition from large western farms in the mid-nineteenth century, but before that it was predominantly a grain-producing state.

被動就己經先扣分了，by competition from ...雙向修飾，before that 也錯

D.It was once predominantly grain-producing, but competition in the mid-nineteenth century by large western farms was gradually causing Pennsylvania’s farmers to turn to livestock raising.

主詞不明確，句意當然知道是講賓州，過去進行式不佳

E.Pennsylvania was once a predominantly grain-producing state, but competition in the mid-nineteenth century from large western farms gradually caused the state’s farmers to turn to livestock raising.

主詞明確、時態得宜、指代清晰、兼顧correctness & effectiveness

[amyshen]

我懂囉...謝謝你講的如此詳細 ....