David could remember, he had never said an angry word to that customer.
A. As far as
B. As long as
C. As well as
D. As much as
网友回答
(答案→)A. As far as
B. As long as
C. As well as
D. As much as
解析：考查短语辨析。As far as 就什么，As long as 只要，As well as 不仅，而且，As much as多达，句意：就大卫记起的而言，他从来没有向那个顾客说一句生气的话。所以选A。