Which claim in “When is a Planet Not a Planet?” is supported by the diagram that illustrates the orbits of all planets including Pluto?

A.

Pluto has two different orbits.

B.

Pluto was even smaller than scientists originally thought.

C.

Pluto's orbit was not oval like all the other planets.

D.

Scientists first thought that Pluto was made out of gas and ice.

JUST TO MAKE SURE BECAUSE THIS ONE IS REALLY TRICKY