Which of the Following Statements Is TRUE

Which of the following statements is TRUE?

A) Boron is a large component of Earth's crust.
B) Boron is usually found in its elemental state in the Earth's crust.
C) Due to boron's small size and low electronegativity, it behaves as a semimetal instead of a metal.
D) Boron atoms don't typically bond to one another due to its small atomic radius.
E) There are at least five allotropes of elemental boron.