---Look at the sign on the right What does it mean ?---Oh it means that smoking here A.

问题补充：

---Look at the sign on the right, What does it mean ?

---Oh, it means that smoking here

A. wasn’t allowed

B. hasn’t allowed

C. isn’t allowed

D. Won’t allowed

答案：

A. wasn’t allowed

B. hasn’t allowed

(答案→)C. isn’t allowed

D. Won’t allowed

解析：句意为：---看右边的标志，它是什么意思？---哦，它意思是不允许在这抽烟。根据语境，smoking是动作的承受者，所以应用一般现在时的被动语态，故应选C。