一个英文阅读理解的一题,头有点绕昏了,大家帮我看看选啥

一个英文阅读理解的一题,头有点绕昏了,大家帮我看看选啥
While not a major item in the national economy,traditional handicrafts are important to villagers of many areas a sideline to farming and other occupations.
选择:With which of the following are the villages principally involved?
A:Tourism
B:Souvenirs
C:Agriculture
D:Industry