I’m sorry the sales manager is not.He is on the telephone at the moment.A. reasonableB. su

问题补充：

I’m sorry，the sales manager is not.He is on the telephone at the moment.

A. reasonable

B. suitable

C. valuable

D. Available

答案：

A. reasonable

B. suitable

C. valuable

(答案→)D. Available

解析：句意：很抱歉，销售经理这会不方便。他正在接电话。Reasonable合理的；suitable适当；valuable有价值的；Available空闲的。故选D。