礼貌是文明的体现。下列属于表达"感谢"的常用语是

A．	"对不起" "请取谅" "请多包涵"	B．	"谢谢让您费心了""多亏您的帮助"
C．	"您好" "请多指教" "欢迎光临"	D．	"再见" "祝您健康" "诮不要放在心上"