Which of the following statements about the arrangement of atoms, covalent bonds, and valence electrons in resonance structures is correct? A) Resonance structures have different arrangements of atoms and different arrangements of electrons.  
B) Resonance structures have different arrangements of atoms and the same arrangements of electrons.  
C) Resonance structures have the same arrangements of atoms as well as the same arrangements of electrons.  
D) Resonance structures have the same arrangements of atoms and different arrangements of electrons.