20. Choose the compound-complex sentence that is correctly punctuated.
(1 point)
Responses

After they cleaned their rooms the boys planned to go swimming but it started to rain.
After they cleaned their rooms the boys planned to go swimming but it started to rain.

After they cleaned their rooms. The boys planned to go swimming. But it started to rain.
After they cleaned their rooms. The boys planned to go swimming. But it started to rain.

After they cleaned their rooms, the boys planned to go swimming, but it started to rain.
After they cleaned their rooms, the boys planned to go swimming, but it started to rain.

After they cleaned their rooms the boys planned to go swimming, but it started to rain.