数组["a"，"b"，"c"，"d"]调用哪一个方法可以返回结果"a-b-c-d"（）

A.create
B.render
C.style
D.return

A.< HelloMessage name="John">
B.< HelloMessage [name]="John">
C.< HelloMessage "name"="John">
D.< HelloMessage {name}="John">

A.beforeEach
B.beforeRouteEnter
C.beforeRouteUpdate
D.beforeRouteLeave