A beforeCreate()=created()=beforeMount()=mounted()=beforeUpdate()=beforeUnmount() =Unmounted()
B beforeCreate()=created()=beforeMount()=beforeUpdate()=mounted()=beforeUnmount() =Unmounted()
C beforeCreate()=beforeMount()=created()=mounted()=beforeUpdate()=beforeUnmount() =Unmounted()
D beforeCreate()=Unmounted()=beforeMount()=mounted()=beforeUpdate()=beforeUnmount() =created()