Which of the following statements regarding Pauli spin matrices $\sigma_x, \sigma_y, \sigma_z$ is/are TRUE?
(A)
\sigma_x^2 = \sigma_y^2 = \sigma_z^2 = I
(B)
\sigma_x \sigma_y + \sigma_y \sigma_x = 0 \text{ (anticommutation)}
(C)
\text{Tr}(\sigma_z) = 0 \text{ and } \det(\sigma_z) = -1
(D)
[\sigma_x, \sigma_y] = 2i \sigma_z