Breathe. Those sprouts probably wouldn't have lasted. As long as the main canes stay green, new growth will come. Keep them watered well. If you can, cover the canes with mulch to keep them hydrated until the new growth appears.

Don't worry about it. Those little green sprouts that came on the rose were most likely formed inside in the dark and don't last once the sunlight hits them. They'll die off, and new healthy growth will replace them. Keep the roses moist and in a few weeks they'll have new leaves.

Water deeply so the roots get moist along with the top of the soil. Cover the exposed canes with a mound of soil, leaving just the very tips exposed.
What's happening is natural for tender new growth formed while the plant was inside out of natural sunlight. What you have to do now is provide moisture and protect what is stored in the canes.

Follow Karls instructions and within a month you will have a nice small bush. I am in zone 7 and had to do it and now they are all nice little bushes that look great. Good luck, Judy