Carmen hit the ball. She rounded first base. She slid into second.
Which is the best way to combine these sentences into one?
1.
Carmen hit the ball, and she rounded first base, and she slid into second.
2. Carmen hit the ball, rounded first base, and slid into second.
3. Carmen hit the ball and rounded first base and slid into second.
O 4. Carmen hit the ball, she rounded first base, she slid into second.