Which sentence is not a suitable correction for the run-on sentence? colombia celebrates its independence day in late july the united states does so in early july. a. colombia celebrates its independence day in late july, the united states does so in early july. b. colombia celebrates its independence day in late july, and the united states does so in early july. c. colombia celebrates its independence day in late july; the united states does so in early july. (i think the answer is a)