Franklin's official role while living in England was as a colonial representative. He was a key figure in political and diplomatic affairs, contributing significantly to the foundations of American society. Therefore, option C is correct.
While Franklin lived in England, his official role was none other than C. He served as a colonial representative in England. During his time there, Benjamin Franklin was indeed engaged in various activities related to his position as a representative of the colonies. Among other things, he was involved in political, scientific, and business achievements that had significant influence both in America and abroad.
Franklin was not only a statesman but also an inventor, diplomat, writer, and scientist. His contributions to society extended well beyond his official duties, as he was instrumental in founding institutions such as the University of Pennsylvania and Pennsylvania Hospital. He was also part of the group that drafted the Declaration of Independence and subsequently served as the U.S. Ambassador to France.