Which of the following is a run on sentence? a. some toads blow up their throats like balloons and make their voices louder b. i went to the park then i went home c. at the north pole, you can run around the world in two seconds! d. fire ants are moving into the united states; they have unpleasant stings.

The Soviet Invasion of Afghanistan and the U.S. Response, 1978–1980. At the end of December 1979, the Soviet Union sent thousands of troops into Afghanistan and immediately assumed complete military and political control of Kabul and large portions of the country.

If B doesn't have a comma, then it's the run-on sentence

the strategies is fictional storied