GWD7-Q3:

The state has proposed new rules that would set minimum staffing levels for nurses, rules intended to ensure that at least one nurse is assigned for every four patients put through triage in a hospital emergency room.

1. rules intended to ensure that at least one nurse is assigned for every four patients put through triage in a hospital emergency room

2. rules with the intent of ensuring one nurse at least to be assigned for every four patients to be put through triage in a hospital emergency room

3. rules intending to ensure at least one nurse is assigned for every four patients in a hospital emergency room put through triage

4. with the intent of ensuring that at least one nurse should be assigned for every four patients in a hospital emergency room that are put through triage

5. and this is intended to ensure one nurse at least to be assigned for every four patients put through triage in a hospital emergency room

答案是A ,B有什么问题,谢谢

B. rules with the intent of ensuring one nurse at least to be assigned for every four patients to be put through triage in a hospital emergency room.

黄色部分意思不对。

rules with the intent of ensuring 似乎是作为插入语，没有A中的动词表达形式好。

The state has proposed new rules that would set minimum staffing levels for nurses, rules intended to ensure that at least one nurse is assigned for every four patients put through triage in a hospital emergency room.

為什麼是正確的?