有四个投资方案：A方案年贷款利率6.11%；B方案年贷款利率6%，每季度复利一次；C方案年贷款利率6%，每月复利一次；D方案年贷款利率6%，每半年复利一次，则 ______ 贷款利率最少。

A．A方案

B．C方案

C．D方案

D．B方案

— Why didn’t you go fishing with your friends yesterday?

— Well, fishing is an activity which     a great deal of patience, which I don’t have.

A．calls in

B．calls for

C．calls on

D．calls up