I tried to call you everything was ready for the English party but you were not in .A. s

问题补充：

I tried to call you everything was ready for the English party , but you were not in .

A. since

B. while

C. until

D. as soon as

答案：

A. since

B. while

C. until

(答案→)D. as soon as

解析：此题考查固定短语as soon as表示一…就…