Which statement describes $\beta^-$ decay using a simple quark model?
- AA down quark changes to an up quark, and an electron $e^-$ and an electron antineutrino $\bar{\nu}_e$ are emitted.
- BA down quark changes to an up quark, and a positron $e^+$ and an electron neutrino $\nu_e$ are emitted.
- CAn up quark changes to a down quark, and an electron $e^-$ and an electron antineutrino $\bar{\nu}_e$ are emitted.
- DAn up quark changes to a down quark, and a positron $e^+$ and an electron neutrino $\nu_e$ are emitted.