( )Once you are admitted into the university,you will be fre

( )Once you are admitted into the university,you will be free to study___you.
Awhatever that interests Bwhatever which interedts
Cwhatever interesting Dwhatever interests
( )______,the electric systems and equipment destroy in the heavy storm were repaired.
AShortly afterwards BLong before
CUntil now DSince then