Grammar Q Help

Test Preparation SAT Preparation
1

<p>On P.416, Bule Book, Q20,</p>

<p>Conflicts between land developers and conservationists have repeatedly (a. arose), (b. causing) Congress to reconsider legislation (c. that prohibits) building (d. within habitats) of endangered species. (e. no error)</p>

<p>The answer is a, but I don't really know why. Any help would be appreciated!</p>

2

<p>i think maybe a should be arisen, not arose</p>

3

<p>^I'd agree.</p>