Our house is about a mile from the railway station and there are not many housesA.in between B.far apart C.among them D.from each other

A
in between“在中间（两者）”
far apart “离很远”（不符合题意）
among them“在中间（三者或三者以上）”
from each other“从对方那里”（不符合题意）

选A。in between“在中间（两者）”
far apart “离很远”（不符合题意）
among them“在中间（三者或三者以上）”（此句中只说到房子和地铁站，所以说是两者）
from each other“从对方那里”（不符合题意）

in between 于两者之间
我的房子离火车站大约1公里,其间没有太多的房屋