$$Sn^{2+}$$ compounds like SnO and $$SnCl_2$$ are well known reducing agents, while $$PbO_2$$ acts as an oxidizing agent. Which of the following statements support these reactivities? I. SnO is more stable than $$SnO_2$$ II. $$Sn^{4+}$$ is more stable than $$Sn^{2+}$$ III. $$Pb^{4+}$$ is more stable than $$Pb^{2+}$$ IV. $$Pb^{2+}$$ is more stable than $$Pb^{4+}$$

A

I and III

B

I, III and IV

C

II and IV

D

I, II and IV