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