In Each of the Following Sets, Select the Sentence That

Multiple Choice

In each of the following sets, select the sentence that uses the correct coordinating or subordinating conjunction and that is punctuated correctly. Which sentence uses the correct coordinating or subordinating conjunction and is punctuated correctly?

A) Rahul lives in Seattle and he has worked as an administrative assistant for Microsoft for two years.
B) Rahul lives in Seattle, and he 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.