If the lattice constant of this semiconductor is decreased, then which of the following is correct ? <br>

Question

( A ) $E_c$ and $E_v$ increase, but $E_g$ decreases
( B ) All $E_c$, $E_g$, $E_v$ decrease
( C ) All $E_c$, $E_g$, $E_v$ increase
( D ) $E_c$ and $E_v$ decrease, but $E_g$ increases