Choose the best way to combine the following sentences: We are going camping in Colorado. We are going to wait until school gets out for the summer. a: We are planning to go camping in Colorado, and we want to wait until school gets out for the summer.
b: After school gets out for the summer, we are going camping in Colorado.
c: We are going to wait until school gets out for the summer, and then we are going to go camping in Colorado.