The unit cell with a≠b≠c and α=γ=90, β≠90 refers to __________crystal system.

The unit cell with a≠b≠c and α=γ=90, β≠90 refers to _________

1.	The unit cell with a≠b≠c and α=γ=90, β≠90 refers to __________crystal system.
A.	cubic
B.	tetragonal
C.	monoclinic
D.	triclinic
Answer» D.