In a monoclinic unit cell, the relation of sides and angles are...

Options

1. A$a=b \neq c$ and $\alpha=\beta=\gamma=90^{\circ}$
2. B$a \neq b \neq c$ and $\alpha=\beta=\gamma=90^{\circ}$
3. C$a \neq b \neq c$ and $\beta=\gamma=90^{\circ} \neq \alpha$
4. D$a \neq b \neq c$ and $\alpha \neq \beta \neq \gamma \neq 90^{\circ}$