Find out the sentence in past perfect tense:
AWhen I arrived Raju has just left
BWhen I arrived Raju was just left
CWhen I arrived Raju had just left
DWhen I arrived Raju was just leaving
AWhen I arrived Raju has just left
BWhen I arrived Raju was just left
CWhen I arrived Raju had just left
DWhen I arrived Raju was just leaving