几个英语选择题(请给出详细一点的解答)

几个英语选择题(请给出详细一点的解答)
1`-where did you get to know her?
-It was on the farm___ we worked
a.thatb.therec.whichd.where
2` I walked in our gardon,___Tom and Jim were tying a big sign onto one of the treesa. whichb.whenc.where d.that(此题请分析不选B的原因
3.The journey around the world took the old sailor nine months,___ the sailing time was 226 days
a.of whichb.during which c.from which d.for which
1中为什么不选A这句话不是一个强调句吗?