will the supper be ready ? I’m very hungry.-In a minute.A. How longB. How soonC. How o

问题补充：

will the supper be ready ? I’m very hungry. ---In a minute.

A. How long

B. How soon

C. How often

D. How much

答案：

A. How long

(答案→)B. How soon

C. How often

D. How much

解析：How long多长；How soon多久；How often多久一次；How much多少钱。根据下文，我非常饿了。——马上。可知前文问的是，晚饭还有多久准备好？故选B。