小陈冲鸭 发表于 2018-10-29 20:49
Tides typically range from three to six feet, but while some places show no tides at all, some othe ...
C 吧?A --'at least 30ft and more'当中的at least和more重复鲁
而且从语意来看,some have... others have... 就是列举两种情况,一些地方...其他的...
如果some have.. some others...似乎还有其他的情况,同时这种说法也不idiomatic