you mustn't miss [ ]the early bus or you will be late a to catch b catch c catching d catches

you mustn't miss [ ]the early bus or you will be late a to catch b catch c catching d catches
you mustn't miss [ ]the early bus or you will be late a to catch b catch c catching d catches

you mustn't miss [ ]the early bus or you will be late a to catch b catch c catching d catches
c

我觉得选A,意思是“你不要错过了最早的车，否则你将要迟到了.miss to do sth应该表示一种将来式。