towards
from
over
between
towards意为“向，朝”，from意为”来自、离“，over意为“在...上方”，between意为“在...之间”。故A选项符合题意。
towards [tɔːrdz] 向；朝；对着
例句：They were heading towards the German border.
句意：他们正前往德国边界。
