Which of the Following Statements Does NOT Describe a Function

Which of the following statements does NOT describe a function of the vascular cambium?

A) Vascular cambia produce new cells.
B) Vascular cambia allow plants to grow in diameter.
C) New cells produced by vascular cambia result in an increase in stem length.
D) Vascular cambia produce the substance we commonly call wood.
E) Vascular cambia are responsible for secondary growth.