．We are taught that a business letter should be written in a formal style in a personal o

问题补充：

．We are taught that a business letter should be written in a formal style in a personal one．

A. less than

B. other than

C. better than

D. rather than

答案：

A. less than

B. other than

C. better than

(答案→)D. rather than

解析：短语辨析。A．小于B．除了；不同于 C．超过；好于……D．而不是。句意：已经教给你了商业信函应该用正式的格式书写而不是以私人风格，故选D。