The crystal system of a compound with unit cell parameter,

Options

A. `a=b=c,alpha=beta=gamma=90^@`
B. `a=bnec,alpha=beta=gamma=90^@`
C. `anebnec,alpha=beta=gamma=90^@`
D. `a=bnec,alpha=beta=90^@,gamma=120^@`

Explanation

Tetragonal crystal system bas the foilowing unit cell dimensions.
`a=bnec,alpha=beta=90^@`