假设甲国是《国际刑事法院规约》的缔约国，乙国不是《国际刑事法院规约》的缔约国也不接受国际刑事法院的管辖，国际刑事法院可以对以下行为行使管辖权：()

A.涉及甲国的灭绝种族罪

B.被告是乙国国民的危害人类罪

C.被告是甲国国民的杀人罪

D.在规约生效之前涉及甲国的侵略罪

More than 30 years ago, （）that the region was rich in natural resources。

A.people did littleknow

B.people little know

C.littledidknow

D.little did people know