In the text, statements about Diane's efforts, persistent obstacles, and lack of support contribute to her ongoing frustration.
The best statement supporting the inference that Diane Rodriguez is still frustrated about being denied opportunities is: "I have tried to get in those doors." (paragraph 5) This statement directly conveys her efforts to access opportunities that have been denied to her, indicating her ongoing frustration.
Additionally, the statement "We're still in dark times in that arena." (paragraph 4) further underscores the persistence of obstacles and challenges she faces in seeking those opportunities, contributing to her frustration.
Finally, the statement "But those in power still do not believe that." (paragraph 8) highlights the continued lack of belief or support from those in authority, further fueling Diane's frustration.
https://brainly.com/question/40122148