“A575” is a name of a route. “A” means _______ .
A.the order
B.the first kind
C.main south and north direction
D.no special meaning
正确答案是C
“A575” is a name of a route. “A” means _______ .
A.the order
B.the first kind
C.main south and north direction
D.no special meaning
正确答案是C