如下表所示,小聪家在A点,用(3,1)表示,小明家在B点,用(8,5)表示.若用(3,1)—(4,1)—(5,1)—(5,2)—(5,3)—(5,4)—(6,4)—(7,4)表示由A到B的一种走法,并规定从A到B只能向下或向右走.那么下面走法符合题意的有( )
(1,1)
| (2,1)
| A(3,1)
| (4,1)
| (5,1)
| (6,1)
| (7,1)
| (8,1)
|
(1,2)
| (2,2)
| (3,2)
| (4,2)
| (5,2)
| (6,2)
| (7,2)
| (8,2)
|
(1,3)
| (2,3)
| (3,3)
| (4,3)
| (5,3)
| (6,3)
| (7,3)
| (8,3)
|
(1,4)
| (2,4)
| (3,4)
| (4, 4)
| (5,4)
| (6,4)
| B(7,4)
| (8,4)
|
(1,5)
| (2,5)
| (3,5)
| (4,5)
| (5,5)
| (6,5)
| (7,5)
| (8,5)
|
(1,6)
| (2,6)
| (3,6)
| (4,6)
| (5,6)
| (6,6)
| (7,6)
| (8,6)
|
A.(3,1)—(4,1)—(4,2)—(5,2)—(6,2)—(7,2)—(7,3)—(8,3) |
B.(3,1)—(4,1)—(5,1)—(6,1)—(7,1)—(7,2)—(7,3)—(7,4) |
C.(3,1)—(4,1)—(5,1)—(6,1)—(7,1)—(8,1)—(8,2)—(8,3)—(8,4)—(7,4) |
D.(3,1)—(4,1)—(5,1)—(6,1)—(6,2)—(6,3)—(6,4)—(6,5)—(7,5)—(7,4) |