多行文字书的内容可由以下那种格式的文件插入：

A、增加　
B、减少　
C、不变
D、周期性变化

A.to
B.with
C.of
D.in

A．increase consumer surplus in the market for coffee and decrease producer surplus in the market for teA．B．increase consumer surplus in the market for coffee and increase producer surplus in the market for teA．C．decrease consumer surplus in the market for coffee and increase producer surplus in the market for teA．D．decrease consumersurplus in the market for coffee and decrease producer surplus in the marketfor teA．