7. (24887-!-item-!-188;#058&001530)
Obtaining an investment-grade rating will keep the county's future borrowing costs low, protect
its already-tattered image, and increase its ability to buy bond insurance.
(A) Obtaining an investment-grade rating will keep the county's future borrowing costs low,
protect
(B) To obtain an investment-grade rating will keep the county's future borrowing costs low, and
protect
(C) Having obtained an investment-grade rating will, in keeping the county's future borrowing
costs low, protect
(D) To obtain an investment-grade rating would keep the county's future borrowing costs low,
protecting
(E) Obtaining an investment-grade rating, keeping the county's borrowing costs low, would be
protecting
答案是A，但是有一个疑问，句中后面有两个its，用来指代the country's，但是这样是否有指代不清之嫌？
| 欢迎光临 ChaseDream (https://forum.chasedream.com/) | Powered by Discuz! X3.3 |