Bug#160259: Control-K in output

[jidanni]

I also notice some ^K's sometimes. Here I have replaced them with
ASCII ^+K, The other chars are normal UTF-8 Chinese.

當下，想想，試著回答這些問題: ^K1.說出世界上最富裕的5個人。<BR>
2.說出上5屆環球小姐比賽中的得勝者。<BR>
3.說出上5屆諾貝爾獎的得獎者。 ^K.說出上5屆奧斯卡的最佳演員。<BR>