Which sentence should be rewritten to eliminate a sentence-fragment error? a. he also was an important diplomat, traveling to both france and the united kingdom in an effort to establish the united states as a world power on par with the nations of europe. b. though benjamin franklin was known for his instrumental role in the founding of the united states. c. charming and witty, he possessed personal attributes that had at least as much to do with his diplomatic success as his knowledge of foreign affairs did. d. franklin was a largely self-taught man, and was widely read, bringing his diverse interests to any state function's dinner conversation.