Which of the Following Statements Is TRUE According to Dalton's

Which of the following statements is TRUE according to Dalton's atomic theory?

A) Atoms combine in simple fraction ratios to form compounds.
B) All atoms of chlorine have identical properties to other elements with similar mass.
C) Atoms of carbon can be changed into atoms of oxygen when creating carbon dioxide.
D) Atoms of carbon do not change into another element during a chemical reaction with chlorine.
E) An atom of nitrogen can be broken down into smaller particles that will still have the unique properties of nitrogen.