[单选题]使用电子邮件时,有时收到的邮件有古怪字符,既出现了乱码,这是由于( ).
A.病毒
B.接收方操作系统有问题
C.发送方计算机故障
D.编码未统一

{{B}} Every Dog Has Its Say{{/B}}
Kimiko Fukuda, a Japanese girl, always wondered What her dog was trying to say. Whenever she put on makeup, it would pull at her sleeve. {{U}} (46) {{/U}} When the dog barks, she glances at a small electronic gadget (装置). The following "human" translation appears on its screen: "Please take me with you." "I realized that’s how he was feeling," said Fukuda.
The gadget is called Bowlingual, and it translates dog barks into feelings. People laughed when the Japanese toymaker Takara Company made the world’s first dog-human translation machine in 2002. But 300,000 Japanese dog owners bought it. {{U}} (47) {{/U}}
"Nobody else had thought about it," said Masahiko Kajita, who works for Takara. "We spend so much time training dogs to understand our orders; what would it be like if we could understand dogs "
Bowtingual