Which sentence uses the correct coordinating or subordinating conjunction or conjunctive adverb and is punctuated correctly? A. Rahul lives in Seattle, but has worked as an administrative assistant for Microsoft, for two years. B. Rahul lives in Seattle but has worked as an administrative assistant for Microsoft for two years. C. Rahul lives in Seattle; and he has worked as an administrative assistant for Microsoft for two years. D. Rahul lives in Seattle, and he has worked as an administrative assistant for Microsoft for two years.