Select all the compositions of rigid motions that can be described as a single translation, rotation, or reflection.
A. Rm ⚬ Rn
B. T⟨a, b⟩ ⚬ Rm
C. T⟨c, d⟩ ⚬ T⟨a, b⟩
D. Rm ⚬ T⟨a, b⟩
E. Rm ⚬ Rn ⚬ Rp