多选题

mysql数据库，game_order表表结构如下，下面哪些sql能使用到索引（）？

Question

A. select * from game_order where plat_game_id=5 and plat_id=134

B. select * from game_order where plat_id=134 and plat_game_id=5 and plat_order_id=’100’

C. select * from game_order where plat_order_id=’100’

D. select * from game_order where plat_game_id=5 and plat_order_id=’100’ and plat_id=134

E. select * from game_order where plat_game_id=5 and plat_order_id=’100’