[R&R Landscaping, LLC] R&R Landscaping, LLC, Is Registered as a Limited

[R&R Landscaping, LLC] R&R Landscaping, LLC, is registered as a limited liability company in Illinois. R&R provides corporate landscape design and maintenance. During a large corporate project near Chicago, the driver of R&R's bulldozer lost control, went into oncoming traffic, and caused injuries to Viktor. Viktor wants to file a lawsuit and, after research, learns that R&R is owned by Rohan, an Illinois resident, and Roland, an Indiana resident, and that R&R filed articles of organization in Illinois and a certificate of authority in Indiana.
-In which state(s) can Viktor file suit against R&R?

A) Only Illinois, because that is the state of incorporation.
B) Only Illinois, because that is the state of registration.
C) Only Illinois, because that is that state where the LLC's articles of organization are filed.
D) Either Indiana or Illinois, as long as the proper documentation was filed in those states.
E) Either Indiana or Illinois, which are the states in which the LLC's members reside.