Read this excerpt from the article, “CPS Energy: Mentors Jump-Start College, Careers” and answer the question.
Throughout the week, Rachel worked with Gladstone on several projects
including (underline starts here)[investigate underground service on the city’s east side, to evaluate downtown streetlights and research computer systems.] (underline ends)
Which substitute for the underlined part of the sentence is the MOST effective in correcting its structure?

A to investigate underground service on the city’s east side, to evaluate downtown streetlights and research computer systems.

B to investigate underground service on the city’s east side, to evaluate downtown streetlights and researching computer systems.

C investigating underground service on the city’s east side, evaluating downtown streetlights and researching computer systems.

D leave as is