Terrorism in the world means more deaths and heavier losses and ________ , it is our duty to fight a

Terrorism in the world means more deaths and heavier losses and ________ , it is our duty to fight against it.

A.altogether

B.therefore

C.otherwise

D.moreover

答案及解析： B

解析：

恐怖主义意味着更多的死亡和更大的损失，所以反恐怖主义是我们的职责．